Clarified a couple of points in the documentation

README.md

@@ -9,7 +9,8 @@ Gollum wikis are simply Git repositories that adhere to a specific format.
 Gollum pages may be written in a variety of formats and can be edited in a
 number of ways depending on your needs. You can edit your wiki locally:
 
-* With your favorite text editor or IDE.
+* With your favorite text editor or IDE (changes will be visible after
+* committing).
 * With the built-in web interface.
 * With the Gollum Ruby API.
 
@@ -268,8 +269,8 @@ This is useful for writing about the link syntax in your wiki pages.
 ## SYNTAX HIGHLIGHTING
 
 In page files you can get automatic syntax highlighting for a wide range of
-languages (courtesy of [Pygments](http://pygments.org/)) by using the
-following syntax:
+languages (courtesy of [Pygments](http://pygments.org/) - must install
+separately) by using the following syntax:
 
     ```ruby
       def foo
@@ -432,4 +433,4 @@ your changes merged back into core is as follows:
 1. Do not change the version number, I will do that on my end
 1. If necessary, rebase your commits into logical chunks, without errors
 1. Push the branch up to GitHub
-1. Send me (mojombo) a pull request for your branch
+1. Send me (mojombo) a pull request for your branch