fixing mistake made from last commit

wiki/templates/wiki/create.html

@@ -18,7 +18,7 @@
       // if downcode doesn't hit, the char will be stripped here
       s = s.replace(/[^-\w\s]/g, '');  // remove unneeded chars
       s = s.replace(/^\s+|\s+$/g, ''); // trim leading/trailing spaces
-      s = s.replace(/[-\s]+/g, '-');   // convert spaces to hyphens
+      s = s.replace(/[-\s]+/g, '_');   // convert spaces to hyphens
       s = s.toLowerCase();             // convert to lowercase
       return s.substring(0, num_chars);// trim to first num_chars chars
   }
@@ -31,7 +31,7 @@
 			  if(!e._changed) {
 			    slug = URLify(this.value, 50);
 			    /*wikislug = slug.replace(/\-/g, " ");*/
-			    wikislug = wikislug.replace(/\w\S*/gi, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1);});
+			    wikislug = slug.replace(/\w\S*/gi, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1);});
           wikislug = wikislug.replace(/\s*/g, "");
 				  e.value = wikislug;
 			  }