docs(rspamd): Fix Web UI link (#4384)

Author: polarathene

docs/content/config/security/rspamd.md

@@ -139,7 +139,7 @@ To use the web interface you will need to configure a password, [otherwise you w
 
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-    **Related:** A minimal Rspamd `compose.yaml` [example with a reverse-proxy for web access][gh-dms:guide::rspamd-web].
+    **Related:** A minimal Rspamd `compose.yaml` [example with a reverse-proxy for web access][gh-dms::guide::rspamd-web].
 
 ### DNS