diff --git a/doc/man/man5/slapd-bdb.5 b/doc/man/man5/slapd-bdb.5
index 3ba1cf459c..b02a63b79e 100644
--- a/doc/man/man5/slapd-bdb.5
+++ b/doc/man/man5/slapd-bdb.5
@@ -59,6 +59,10 @@ Both arguments default to zero, in which case they are ignored. When
 the \fI<min>\fP argument is non-zero, an internal task will run every 
 \fI<min>\fP minutes to perform the checkpoint.
 See the Berkeley DB reference guide for more details.
+.TB
+.B checksum
+Enable checksum validation of DB pages whenever they are read from disk.
+This setting can only be configured before any database files are created.
 .TP
 .BI cryptfile \ <file>
 Specify the pathname of a file containing an encryption key to use for