docs/git.html: slightly reword for git

Some of the wording didn't make much sense after we moved from svn to git.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

docs/git.html

@@ -36,8 +36,8 @@ git pull
 </pre>
 
 Because you've only been granted anonymous access to the tree, you won't be
-able to commit any changes. Changes can be submitted for inclusion by posting
-them to the buildroot mailing list or to the <a
+able to push your changes to the repo. Changes can instead be submitted for
+inclusion by posting them to the buildroot mailing list or to the <a
 href="https://bugs.uclibc.org/">Bug and Patch Tracking System</a>.
 
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