Fix typo in the fixtures example.

David Calavera · David Calavera · commit 779fb64552c5 · 2013-09-10T00:06:38.000-07:00
diff --git a/README.md b/README.md
@@ -86,7 +86,7 @@ GitHub-Ldap includes a set of configured users for testing, but you can provide
 ```ruby
 def setup
   GitHub::Ldap.start_server \
-    users_fixtures: ldif_path
+    user_fixtures: ldif_path
 end
 ```
 
