diff --git a/doc/API.md b/doc/API.md
index 495f278..d2bee9c 100644
--- a/doc/API.md
+++ b/doc/API.md
@@ -32,74 +32,74 @@ possible side-effects
 
   This function receives a country name and returns a polygon geometry (SRID 4326) for the corresponding input.
 * Functions:
-  * `geocode_admin0_polygons(countryname text)`
+  * `geocode_admin0_polygon(countryname text)`
      * **Return type:** `polygon`
      * **Usage example:**
        `````
-      SELECT geocode_admin0_polygons('France')
+      SELECT geocode_admin0_polygon('France')
       `````
 
 ### Level-1 Administrative regions geocoder
 * Functions: 
-  * `geocode_admin1_polygons(adminname text)`
+  * `geocode_admin1_polygon(adminname text)`
     *  **Return type:** `polygon`
     * **Usage example:**
       `````
-      SELECT geocode_admin1_polygons('Alicante')
+      SELECT geocode_admin1_polygon('Alicante')
       `````
 
-  *  `geocode_admin1_polygons(adminname text, countryname text)`
+  *  `geocode_admin1_polygon(adminname text, countryname text)`
     *  **Return type:** `polygon`
     * **Usage example:**
       `````
-      SELECT geocode_admin1_polygons('Alicante', 'Spain')
+      SELECT geocode_admin1_polygon('Alicante', 'Spain')
       `````
 
 ### Cities geocoder
 * Functions:
-  *  `geocode_namedplace(city text)`
+  *  `geocode_namedplace_point(city text)`
     * **Return type:** `point`
     * **Usage example:**
       `````
-      SELECT geocode_namedplace('Barcelona')
+      SELECT geocode_namedplace_point('Barcelona')
       `````
 
-  *  `geocode_namedplace(city text, country text)`
+  *  `geocode_namedplace_point(city text, country text)`
      * **Return type:** `point`
       * **Usage example:**
         `````
-      SELECT geocode_namedplace('Barcelona', 'Spain')
+      SELECT geocode_namedplace_point('Barcelona', 'Spain')
       `````
 
-  *  `geocode_namedplace(city text, admin1 text, country text)`
+  *  `geocode_namedplace_point(city text, admin1 text, country text)`
       * **Return type:** `point`
       * **Usage example:**
         `````
-      SELECT geocode_namedplace('New York', 'New York', 'USA')
+      SELECT geocode_namedplace_point('New York', 'New York', 'USA')
       `````
 
 ### Postal codes geocoder
 * Functions:
-  * `geocode_postalcode_polygons(code text, country text)`
+  * `geocode_postalcode_polygon(code text, country text)`
     * **Return type:** `polygon`
     * **Usage example:**
         `````
-      SELECT geocode_postalcode_polygons('11211', 'USA')
+      SELECT geocode_postalcode_polygon('11211', 'USA')
       `````
 
-  * `geocode_postalcode_points(code text, country text)`
+  * `geocode_postalcode_point(code text, country text)`
     * **Return type:** `point`
     * **Usage example:**
         `````
-      SELECT geocode_postalcode_points('11211', 'USA')
+      SELECT geocode_postalcode_point('11211', 'USA')
       `````
 
 
 ### IP addresses Geocoder
 * Functions:
-  * `geocode_ip(ipaddress text)`
+  * `geocode_ip_point(ipaddress text)`
     * **Return type:** `point`
     * **Usage example:**
         `````
-      SELECT geocode_ip('102.23.34.1')
+      SELECT geocode_ip_point('102.23.34.1')
       `````