diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 0414db4c52..2b0b1b9633 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -5628,7 +5628,7 @@ StartupMessage (F)
 </varlistentry>
 </variablelist>
 
-                In addition to the above, others parameter may be listed.
+                In addition to the above, other parameters may be listed.
                 Parameter names beginning with <literal>_pq_.</literal> are
                 reserved for use as protocol extensions, while others are
                 treated as run-time parameters to be set at backend start