1 files changed, 1 insertions, 1 deletions
diff --git a/config.h b/config.h
index f4966e3749..db8b608064 100644
--- a/config.h
+++ b/config.h
@@ -338,7 +338,7 @@ void git_config_set_multivar(const char *, const char *, const char *, unsigned)
 int repo_config_set_multivar_gently(struct repository *, const char *, const char *, const char *, unsigned);
 int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, const char *, unsigned);
 
-const char *git_config_prepare_comment_string(const char *);
+char *git_config_prepare_comment_string(const char *);
 
 /**
  * takes four parameters: