minor changes in README.md

Documentation and installation heading were not displayed properly. A space character was missing after the '##' for both.
meihaoxiaoxi · Sep 7, 2017 · 54ee450 · 54ee450
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commit 54ee450
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -29,15 +29,15 @@ Follow [manast](http://twitter.com/manast) for news and updates regarding this l
 - Express middleware for protecting resources.
 - Robust implementation with good unit test coverage.
 
-##Installation
+## Installation
 
 Using npm:
 
 ```javascript
 npm install acl
 ```
 
-##Documentation
+## Documentation
 
 * [addUserRoles](#addUserRoles)
 * [removeUserRoles](#removeUserRoles)