add fixme pointing out name disambiguation is a bit flakey

webclient/app-filter.js

@@ -60,6 +60,9 @@ angular.module('matrixWebClient')
                 // console.log(key + ": " + value);
                 for (var i=0; i < value.length; i++) {
                     var v = value[i];
+                    // FIXME: this permenantly rewrites the displayname for a given
+                    // room member. which means we can't reset their name if it is
+                    // no longer ambiguous!
                     members[v].displayname += " (" + v + ")";
                     // console.log(v + " " + members[v]);
                 };