[gedit] docs: common-bugs.md: change a link

[Sébastien Wilmet <swilmet src gnome org>]

commit 2b29e21c6e0f8a98166297c73fcfb7d5481a3ff8
Author: Sébastien Wilmet <swilmet informatique-libre be>
Date:   Fri Jul 15 14:17:48 2022 +0200

    docs: common-bugs.md: change a link
    
    The gedit issue is for gedit's case, providing an easier solution.

 docs/common-bugs.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/common-bugs.md b/docs/common-bugs.md
index 032debd87..a0399ef87 100644
--- a/docs/common-bugs.md
+++ b/docs/common-bugs.md
@@ -10,7 +10,7 @@ Problem with very long lines
 Very long lines (e.g. a wrapped line that takes the whole screen) are not well
 supported by gedit, there can be performance problems or freezes.
 
-[GitLab issue](https://gitlab.gnome.org/GNOME/gtk/issues/229).
+[GitLab issue](https://gitlab.gnome.org/GNOME/gedit/-/issues/513).
 
 Problem with very large files
 -----------------------------