diff --git a/doc/bugs/git.pm_should_prune_remote_branches_when_fetching.mdwn b/doc/bugs/git.pm_should_prune_remote_branches_when_fetching.mdwn
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+The _git_ module does not appear ever to prune obsolete remote branches in the _srcdir_ repository, leading to spurious errors when fetching.
+
+Pruning remote branches is done automatically with the --prune option to "git fetch" or in a separate command "git remote prune".