Add caveat for users with advanced workflows

The detail described here was first discussed in GitHub issue #11, where
@tkellen requested it be included in the project readme file.

README.md

@@ -23,6 +23,8 @@ _This task is a [multi task][] so any targets, files and options should be speci
 
 _Version `0.4.x` of this plugin is compatible with Grunt `0.4.x`. Version `0.3.x` of this plugin is compatible with Grunt `0.3.x`._
 
+_This plugin uses [the Lo-Dash library](http://lodash.com/) to generate JavaScript template functions. Some developers generate template functions dynamically during development. If you are doing so, please be aware that the functions generated by this plugin may differ from those created at run-time. For instance, [the Underscore.js library](http://underscorejs.org/) will throw an exception if templates reference undefined top-level values, while Lo-Dash will silently insert the empty string in their place._
+
 ### Options
 
 #### separator
@@ -156,4 +158,4 @@ jst: {
 
 Task submitted by [Tim Branyen](http://tbranyen.com)
 
-*This file was generated on Tue Feb 05 2013 11:54:24.*
+*This file was generated on Mon Feb 11 2013 19:17:59.*

docs/jst-overview.md

@@ -1,3 +1,5 @@
 {%= s.multi_task %}
 
 _Version `0.4.x` of this plugin is compatible with Grunt `0.4.x`. Version `0.3.x` of this plugin is compatible with Grunt `0.3.x`._
+
+_This plugin uses [the Lo-Dash library](http://lodash.com/) to generate JavaScript template functions. Some developers generate template functions dynamically during development. If you are doing so, please be aware that the functions generated by this plugin may differ from those created at run-time. For instance, [the Underscore.js library](http://underscorejs.org/) will throw an exception if templates reference undefined top-level values, while Lo-Dash will silently insert the empty string in their place._