diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index cf12bc5ca29..30fd335d626 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1198,11 +1198,15 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
         </row>
         <row>
          <entry><literal>RecoveryWalAll</></entry>
-         <entry>Waiting for WAL from any kind of source (local, archive or stream) at recovery.</entry>
+         <entry>Waiting for WAL from a stream at recovery.</entry>
         </row>
         <row>
          <entry><literal>RecoveryWalStream</></entry>
-         <entry>Waiting for WAL from a stream at recovery.</entry>
+         <entry>
+          Waiting when WAL data is not available from any kind of sources
+          (local, archive or stream) before trying again to retrieve WAL data,
+          at recovery.
+         </entry>
         </row>
         <row>
          <entry><literal>SysLoggerMain</></entry>