Merge pull request #117 from phord/patch-1

Fix syntax error in Groups documentation

Author: brentru

docs/groups.rst

@@ -19,7 +19,7 @@ Create a group by constructing a Group instance with at least a name specified,
 
     # Send the group for IO to create:
     # The returned object will contain all the details about the created group.
-    group = aio.create_group(group
+    group = aio.create_group(group)
 
 
 Group Retrieval