diff --git a/src/components/structures/GroupView.js b/src/components/structures/GroupView.js
index d104019a01..ddd3cb87bb 100644
--- a/src/components/structures/GroupView.js
+++ b/src/components/structures/GroupView.js
@@ -746,13 +746,37 @@ export default React.createClass({
         });
     },
 
+    _leaveGroupWarnings: function() {
+        const warnings = [];
+
+        if (this.state.isUserPrivileged) {
+            warnings.push((
+                <span className="warning">
+                    { " " /* Whitespace, otherwise the sentences get smashed together */ }
+                    { _t("You are an administrator of this community") + ". " }
+                    { _t("You will not be able to rejoin without an invite from another administrator.") }
+                </span>
+            ));
+        }
+
+        return warnings;
+    },
+
+
     _onLeaveClick: function() {
         const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
+        const warnings = this._leaveGroupWarnings();
+
         Modal.createTrackedDialog('Leave Group', '', QuestionDialog, {
             title: _t("Leave Community"),
-            description: _t("Leave %(groupName)s?", {groupName: this.props.groupId}),
+            description: (
+                <span>
+                { _t("Leave %(groupName)s?", {groupName: this.props.groupId}) }
+                { warnings }
+                </span>
+            ),
             button: _t("Leave"),
-            danger: true,
+            danger: this.state.isUserPrivileged,
             onFinished: async (confirmed) => {
                 if (!confirmed) return;
 
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index e0f4663532..364aaeac9a 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -43,10 +43,6 @@
     "The file '%(fileName)s' failed to upload": "The file '%(fileName)s' failed to upload",
     "The file '%(fileName)s' exceeds this home server's size limit for uploads": "The file '%(fileName)s' exceeds this home server's size limit for uploads",
     "Upload Failed": "Upload Failed",
-    "Failure to create room": "Failure to create room",
-    "Server may be unavailable, overloaded, or you hit a bug.": "Server may be unavailable, overloaded, or you hit a bug.",
-    "Send anyway": "Send anyway",
-    "Send": "Send",
     "Sun": "Sun",
     "Mon": "Mon",
     "Tue": "Tue",
@@ -86,7 +82,6 @@
     "Failed to invite users to community": "Failed to invite users to community",
     "Failed to invite users to %(groupId)s": "Failed to invite users to %(groupId)s",
     "Failed to add the following rooms to %(groupId)s:": "Failed to add the following rooms to %(groupId)s:",
-    "Unnamed Room": "Unnamed Room",
     "Riot does not have permission to send you notifications - please check your browser settings": "Riot does not have permission to send you notifications - please check your browser settings",
     "Riot was not given permission to send notifications - please try again": "Riot was not given permission to send notifications - please try again",
     "Unable to enable Notifications": "Unable to enable Notifications",
@@ -211,6 +206,11 @@
     "%(names)s and %(count)s others are typing|other": "%(names)s and %(count)s others are typing",
     "%(names)s and %(count)s others are typing|one": "%(names)s and one other is typing",
     "%(names)s and %(lastPerson)s are typing": "%(names)s and %(lastPerson)s are typing",
+    "Failure to create room": "Failure to create room",
+    "Server may be unavailable, overloaded, or you hit a bug.": "Server may be unavailable, overloaded, or you hit a bug.",
+    "Send anyway": "Send anyway",
+    "Send": "Send",
+    "Unnamed Room": "Unnamed Room",
     "This homeserver has hit its Monthly Active User limit.": "This homeserver has hit its Monthly Active User limit.",
     "This homeserver has exceeded one of its resource limits.": "This homeserver has exceeded one of its resource limits.",
     "Please <a>contact your service administrator</a> to continue using the service.": "Please <a>contact your service administrator</a> to continue using the service.",
@@ -331,31 +331,6 @@
     "Off": "Off",
     "On": "On",
     "Noisy": "Noisy",
-    "Invalid alias format": "Invalid alias format",
-    "'%(alias)s' is not a valid format for an alias": "'%(alias)s' is not a valid format for an alias",
-    "Invalid address format": "Invalid address format",
-    "'%(alias)s' is not a valid format for an address": "'%(alias)s' is not a valid format for an address",
-    "not specified": "not specified",
-    "not set": "not set",
-    "Remote addresses for this room:": "Remote addresses for this room:",
-    "Addresses": "Addresses",
-    "The main address for this room is": "The main address for this room is",
-    "Local addresses for this room:": "Local addresses for this room:",
-    "This room has no local addresses": "This room has no local addresses",
-    "New address (e.g. #foo:%(localDomain)s)": "New address (e.g. #foo:%(localDomain)s)",
-    "Invalid community ID": "Invalid community ID",
-    "'%(groupId)s' is not a valid community ID": "'%(groupId)s' is not a valid community ID",
-    "Flair": "Flair",
-    "Showing flair for these communities:": "Showing flair for these communities:",
-    "This room is not showing flair for any communities": "This room is not showing flair for any communities",
-    "New community ID (e.g. +foo:%(localDomain)s)": "New community ID (e.g. +foo:%(localDomain)s)",
-    "You have <a>enabled</a> URL previews by default.": "You have <a>enabled</a> URL previews by default.",
-    "You have <a>disabled</a> URL previews by default.": "You have <a>disabled</a> URL previews by default.",
-    "URL previews are enabled by default for participants in this room.": "URL previews are enabled by default for participants in this room.",
-    "URL previews are disabled by default for participants in this room.": "URL previews are disabled by default for participants in this room.",
-    "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.": "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.",
-    "URL Previews": "URL Previews",
-    "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.": "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.",
     "Cannot add any more widgets": "Cannot add any more widgets",
     "The maximum permitted number of widgets have already been added to this room.": "The maximum permitted number of widgets have already been added to this room.",
     "Add a widget": "Add a widget",
@@ -419,6 +394,7 @@
     "Make Moderator": "Make Moderator",
     "Admin Tools": "Admin Tools",
     "Level:": "Level:",
+    "Close": "Close",
     "and %(count)s others...|other": "and %(count)s others...",
     "and %(count)s others...|one": "and one other...",
     "Invited": "Invited",
@@ -460,11 +436,11 @@
     "At this time it is not possible to reply with an emote.": "At this time it is not possible to reply with an emote.",
     "Markdown is disabled": "Markdown is disabled",
     "Markdown is enabled": "Markdown is enabled",
+    "Unpin Message": "Unpin Message",
+    "Jump to message": "Jump to message",
     "No pinned messages.": "No pinned messages.",
     "Loading...": "Loading...",
     "Pinned Messages": "Pinned Messages",
-    "Unpin Message": "Unpin Message",
-    "Jump to message": "Jump to message",
     "%(duration)ss": "%(duration)ss",
     "%(duration)sm": "%(duration)sm",
     "%(duration)sh": "%(duration)sh",
@@ -599,13 +575,37 @@
     "All Rooms": "All Rooms",
     "Cancel": "Cancel",
     "You don't currently have any stickerpacks enabled": "You don't currently have any stickerpacks enabled",
-    "Add a stickerpack": "Add a stickerpack",
+    "Add some now": "Add some now",
     "Stickerpack": "Stickerpack",
     "Hide Stickers": "Hide Stickers",
     "Show Stickers": "Show Stickers",
     "Scroll to unread messages": "Scroll to unread messages",
     "Jump to first unread message.": "Jump to first unread message.",
-    "Close": "Close",
+    "Invalid alias format": "Invalid alias format",
+    "'%(alias)s' is not a valid format for an alias": "'%(alias)s' is not a valid format for an alias",
+    "Invalid address format": "Invalid address format",
+    "'%(alias)s' is not a valid format for an address": "'%(alias)s' is not a valid format for an address",
+    "not specified": "not specified",
+    "not set": "not set",
+    "Remote addresses for this room:": "Remote addresses for this room:",
+    "Addresses": "Addresses",
+    "The main address for this room is": "The main address for this room is",
+    "Local addresses for this room:": "Local addresses for this room:",
+    "This room has no local addresses": "This room has no local addresses",
+    "New address (e.g. #foo:%(localDomain)s)": "New address (e.g. #foo:%(localDomain)s)",
+    "Invalid community ID": "Invalid community ID",
+    "'%(groupId)s' is not a valid community ID": "'%(groupId)s' is not a valid community ID",
+    "Flair": "Flair",
+    "Showing flair for these communities:": "Showing flair for these communities:",
+    "This room is not showing flair for any communities": "This room is not showing flair for any communities",
+    "New community ID (e.g. +foo:%(localDomain)s)": "New community ID (e.g. +foo:%(localDomain)s)",
+    "You have <a>enabled</a> URL previews by default.": "You have <a>enabled</a> URL previews by default.",
+    "You have <a>disabled</a> URL previews by default.": "You have <a>disabled</a> URL previews by default.",
+    "URL previews are enabled by default for participants in this room.": "URL previews are enabled by default for participants in this room.",
+    "URL previews are disabled by default for participants in this room.": "URL previews are disabled by default for participants in this room.",
+    "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.": "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.",
+    "URL Previews": "URL Previews",
+    "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.": "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.",
     "Sunday": "Sunday",
     "Monday": "Monday",
     "Tuesday": "Tuesday",
@@ -644,7 +644,6 @@
     "Dismiss": "Dismiss",
     "To continue, please enter your password.": "To continue, please enter your password.",
     "Password:": "Password:",
-    "Please accept all of the policies": "Please accept all of the policies",
     "Please review and accept the policies of this homeserver:": "Please review and accept the policies of this homeserver:",
     "An email has been sent to %(emailAddress)s": "An email has been sent to %(emailAddress)s",
     "Please check your email to continue registration.": "Please check your email to continue registration.",
@@ -887,6 +886,10 @@
     "Ignore request": "Ignore request",
     "Loading device info...": "Loading device info...",
     "Encryption key request": "Encryption key request",
+    "You've previously used Riot on %(host)s with lazy loading of members enabled. In this version lazy loading is disabled. As the local cache is not compatible between these two settings, Riot needs to resync your account.": "You've previously used Riot on %(host)s with lazy loading of members enabled. In this version lazy loading is disabled. As the local cache is not compatible between these two settings, Riot needs to resync your account.",
+    "If the other version of Riot is still open in another tab, please close it as using Riot on the same host with both lazy loading enabled and disabled simultaneously will cause issues.": "If the other version of Riot is still open in another tab, please close it as using Riot on the same host with both lazy loading enabled and disabled simultaneously will cause issues.",
+    "Incompatible local cache": "Incompatible local cache",
+    "Clear cache and resync": "Clear cache and resync",
     "Riot now uses 3-5x less memory, by only loading information about other users when needed. Please wait whilst we resynchronise with the server!": "Riot now uses 3-5x less memory, by only loading information about other users when needed. Please wait whilst we resynchronise with the server!",
     "Updating Riot": "Updating Riot",
     "Failed to upgrade room": "Failed to upgrade room",
@@ -987,7 +990,7 @@
     "You must <a>register</a> to use this functionality": "You must <a>register</a> to use this functionality",
     "You must join the room to see its files": "You must join the room to see its files",
     "There are no visible files in this room": "There are no visible files in this room",
-    "<h1>HTML for your community's page</h1>\r\n<p>\r\n    Use the long description to introduce new members to the community, or distribute\r\n    some important <a href=\"foo\">links</a>\r\n</p>\r\n<p>\r\n    You can even use 'img' tags\r\n</p>\r\n": "<h1>HTML for your community's page</h1>\r\n<p>\r\n    Use the long description to introduce new members to the community, or distribute\r\n    some important <a href=\"foo\">links</a>\r\n</p>\r\n<p>\r\n    You can even use 'img' tags\r\n</p>\r\n",
+    "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n": "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n",
     "Add rooms to the community summary": "Add rooms to the community summary",
     "Which rooms would you like to add to this summary?": "Which rooms would you like to add to this summary?",
     "Add to summary": "Add to summary",
@@ -1005,6 +1008,8 @@
     "Failed to update community": "Failed to update community",
     "Unable to accept invite": "Unable to accept invite",
     "Unable to join community": "Unable to join community",
+    "You are an administrator of this community": "You are an administrator of this community",
+    "You will not be able to rejoin without an invite from another administrator.": "You will not be able to rejoin without an invite from another administrator.",
     "Leave Community": "Leave Community",
     "Leave %(groupName)s?": "Leave %(groupName)s?",
     "Unable to leave community": "Unable to leave community",
@@ -1017,7 +1022,6 @@
     "%(inviter)s has invited you to join this community": "%(inviter)s has invited you to join this community",
     "Join this community": "Join this community",
     "Leave this community": "Leave this community",
-    "You are an administrator of this community": "You are an administrator of this community",
     "You are a member of this community": "You are a member of this community",
     "Who can join this community?": "Who can join this community?",
     "Everyone": "Everyone",
@@ -1264,10 +1268,5 @@
     "Import": "Import",
     "Failed to set direct chat tag": "Failed to set direct chat tag",
     "Failed to remove tag %(tagName)s from room": "Failed to remove tag %(tagName)s from room",
-    "Failed to add tag %(tagName)s to room": "Failed to add tag %(tagName)s to room",
-    "You've previously used Riot on %(host)s with lazy loading of members enabled. In this version lazy loading is disabled. As the local cache is not compatible between these two settings, Riot needs to resync your account.": "You've previously used Riot on %(host)s with lazy loading of members enabled. In this version lazy loading is disabled. As the local cache is not compatible between these two settings, Riot needs to resync your account.",
-    "If the other version of Riot is still open in another tab, please close it as using Riot on the same host with both lazy loading enabled and disabled simultaneously will cause issues.": "If the other version of Riot is still open in another tab, please close it as using Riot on the same host with both lazy loading enabled and disabled simultaneously will cause issues.",
-    "Incompatible local cache": "Incompatible local cache",
-    "Clear cache and resync": "Clear cache and resync",
-    "Add some now": "Add some now"
+    "Failed to add tag %(tagName)s to room": "Failed to add tag %(tagName)s to room"
 }