git-svn: fix page comments

pages/common/git-svn.md

@@ -6,11 +6,11 @@
 
 `git svn clone {{http://example.com/my_subversion_repo}} {{local_dir}}`
 
-- Update local clone from the upstream SVN repository:
+- Update local clone from the remote SVN repository:
 
 `git svn rebase`
 
-- Fetch updates from remote SVN repository without changing the GIT HEAD:
+- Fetch updates from the remote SVN repository without changing the git HEAD:
 
 `git svn fetch`