Clarify pg_verify_checksum documentation

Make it clear that a cluster has to be shut down cleanly before
pg_verify_checksum can be run against it.

Author: Michael Paquier
Review: Daniel Gustafsson

diff --git a/doc/src/sgml/ref/pg_verify_checksums.sgml b/doc/src/sgml/ref/pg_verify_checksums.sgml
index 5879dff83d0665464bf58189bbf7e2a640674ba2..a37b187b7ff4ea99f2d25017b36cc87f5cb139a2 100644 (file)
--- a/doc/src/sgml/ref/pg_verify_checksums.sgml
+++ b/doc/src/sgml/ref/pg_verify_checksums.sgml
@@ -30,8 +30,8 @@ PostgreSQL documentation
  
   Description
   
-   pg_verify_checksums verifies data checksums in a PostgreSQL
-   cluster. It must be run against a cluster that's offline.
+   pg_verify_checksums verifies data checksums in a
+   PostgreSQL cluster.
   
  
 
@@ -88,7 +88,8 @@ PostgreSQL documentation
  
   Notes
   
-    Can only be run when the server is offline.
+   The cluster must be shut down cleanly before running
+   pg_verify_checksums.