8334145: <pid> missing from vm_memory_map_<pid>.txt in System.dump_map help text

Reviewed-by: dholmes, stuefe

Author: plummercj

src/jdk.jcmd/share/man/jcmd.1

@@ -878,7 +878,7 @@ The following \f[I]options\f[R] must be specified using either
 \f[V]-H\f[R]: (Optional) Human readable format (BOOLEAN, false)
 .IP \[bu] 2
 \f[V]-F\f[R]: (Optional) File path (STRING,
-\[dq]vm_memory_map_.txt\[dq])
+\[dq]vm_memory_map_<pid>.txt\[dq])
 .RE
 .TP
 \f[V]System.map\f[R] [\f[I]options\f[R]] (Linux only)