Only fix a single typo by upstream: "non-commited" to "non-committed"

Author: willy-b

getting-started/git-boot-camp.rst

@@ -265,7 +265,7 @@ To re-apply the last stashed change::
 Comparing changes
 -----------------
 
-View all non-commited changes::
+View all non-committed changes::
 
    $ git diff