diff --git a/doc/src/sgml/ref/pg_receivewal.sgml b/doc/src/sgml/ref/pg_receivewal.sgml
index d3c74882937..9fde2fd2ef6 100644
--- a/doc/src/sgml/ref/pg_receivewal.sgml
+++ b/doc/src/sgml/ref/pg_receivewal.sgml
@@ -90,7 +90,7 @@ PostgreSQL documentation
 
     <listitem>
      <para>
-      If a starting point cannot not be calculated with the previous method,
+      If a starting point cannot be calculated with the previous method,
       and if a replication slot is used, an extra
       <command>READ_REPLICATION_SLOT</command> command is issued to retrieve
       the slot's <literal>restart_lsn</literal> to use as starting point.