Bugzilla Bug 106386 rid source of these misspellings: persistant persistance…

UPGRADING-pre-2.8

@@ -255,7 +255,7 @@ column, but you might as well be safe and add it anyway:
 	alter table products add column milestoneurl tinytext not null;
 
 
-1/29/99 Whoops; had a mispelled op_sys.  It was "Mac System 7.1.6"; it should
+1/29/99 Whoops; had a misspelled op_sys.  It was "Mac System 7.1.6"; it should
 be "Mac System 7.6.1".  It turns out I had no bugs with this value set, so I
 could just do the below simple command.  If you have bugs with this value, you
 may need to do something more complicated.

syncshadowdb

@@ -105,7 +105,7 @@ my $wasshutdown = "";
 if ($shutdown) {
     Verbose ("Shutting down bugzilla and waiting for connections to clear");
     # Record the old shutdownhtml so it can be restored at the end (this will
-    # only be an issue if we are called using the -force comand line param)
+    # only be an issue if we are called using the -force command line param)
     $wasshutdown = Param("shutdownhtml");
     $::param{'shutdownhtml'} = $shutdown_msg;
     WriteParams();