Fix ITS#3766 bad font change

doc/man/man5/slapo-glue.5

@@ -35,7 +35,7 @@ Specify the suffix of a database to attach as a subordinate to the root
 database. The specified database must have already been configured. If the
 optional \fBasync\fP keyword is supplied, searches against this database may
 be spawned in a separate thread to run concurrently with other operations
-(currently not implemented).  If the optional \fBadvertise\fI flag 
+(currently not implemented).  If the optional \fBadvertise\fP flag 
 is supplied, the naming context is advertised in the rootDSE.
 .SH FILES
 .TP