READMEs and globals and you

Global/README.md

 ## Globally Useful gitignores
 
-This directory contains globally useful gitignores.
+This directory contains globally useful gitignores,
+e.g. OS-specific and editor specific.
 
-Here's a good **global** gitignore: 
+For more on global gitignores:
 <http://help.github.com/git-ignore/>
 
 And a good blog post about 'em:

README.md

@@ -6,7 +6,8 @@ by [forking][fk] and sending a [pull request][pr].
 Also **please** only modify **one file** per commit. This'll
 make merging easier for everyone.
 
-Here's a good **global** gitignore: <http://help.github.com/git-ignore/>
+Global gitignores (OS-specific, editor-specific) should go into the
+`Global/` directory.
 
 For more information on gitignore: [gitignore(5)][g5]