Update README.md

Author: ekrebs5

README.md

@@ -2,14 +2,14 @@
 We are creating a game library.
 
 ## How to install
-1. Get [Squeak 5.1 or later](http://www.squeak.org)
+1. Get [Squeak 6.1 or later](http://www.squeak.org)
 2. Load [Metacello](https://github.com/metacello/metacello)
 3. Finally, load the library with the following command:
 
 ```Smalltalk
 Metacello new
-  baseline: 'GM';
-  repository: 'github://hpi-swa-teaching/GameMecha/source';
+  baseline: 'GameMecha';
+  repository: 'github://hpi-swa-teaching/GameMecha/src';
   load.
 ```
 
@@ -18,9 +18,9 @@ The library comes with an extensive documentation in tests and class comments. Y
 
 ```Smalltalk
 Metacello new
-  baseline: 'GM';
-  repository: 'github://hpi-swa-teaching/GameMecha/source';
+  baseline: 'GameMecha';
+  repository: 'github://hpi-swa-teaching/GameMecha/src';
   load: 'test'.
 ```
 
-You can find the examples in the ```GM-AcceptanceTest``` class category.
+You can find the examples in the ```GameMecha-Examples``` class category.