One more try, deleted corrupt revision. Add tool-threads keyword.

doc/man/man5/slapd.conf.5

@@ -859,6 +859,11 @@ See
 .BR limits
 for an explanation of the different flags.
 .TP
+.B tool-threads <integer>
+Specify the maximum number of threads to use in tool mode.
+This should not be greater than the number of CPUs in the system.
+The default is 1.
+.TP
 .B ucdata-path <path>
 Specify the path to the directory containing the Unicode character
 tables. The default path is DATADIR/ucdata.