diff --git a/doc/man/man5/slapd-config.5 b/doc/man/man5/slapd-config.5
index af16c5e51f..a61ed67d57 100644
--- a/doc/man/man5/slapd-config.5
+++ b/doc/man/man5/slapd-config.5
@@ -501,7 +501,7 @@ feature.  The default is 0. You may also want to set the
 .B olcWriteTimeout
 option.
 .TP
-.B olcIndexHash64: { on | off }
+.B olcIndexHash64: { TRUE | FALSE }
 Use a 64 bit hash for indexing. The default is to use 32 bit hashes.
 These hashes are used for equality and substring indexing. The 64 bit
 version may be needed to avoid index collisions when the number of