Remove unnecessary instruction
We don't need to switch to file `foo` when we are already in file `foo`.
    
        | author | Richard Cheng <rcheng@neuratron.com> | 
    
        | date | Wed, 11 Apr 2012 11:43:41 +0100 | 
    
    
        | parents | 5f0854fc2f0c | 
    
        | children | dd723c5dadcd | 
    
        | branches/tags | (none) | 
    
        | files | chapters/11.markdown | 
Changes
    
--- a/chapters/11.markdown	Thu Apr 05 13:19:51 2012 +0100
+++ b/chapters/11.markdown	Wed Apr 11 11:43:41 2012 +0100
@@ -97,7 +97,7 @@
     :nnoremap <buffer> Q x
     :nnoremap          Q dd
 
-Now switch to file `foo` and type `Q`.  What happens?
+Now type `Q`.  What happens?
 
 When you press `Q`, Vim will run the first mapping, not the second, because the
 first mapping is *more specific* than the second.