diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index b587ef71c1..6d4dcf83ac 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -2501,7 +2501,7 @@ The commands accepted in walsender mode are:
- pg_internal.init (found in multiple directories)
+ pg_internal.init (found in multiple directories)