fix misspelling of 'shorten' verb

js/interface_common.js

@@ -806,14 +806,14 @@ function openRequestShortURIForm() {
     if (!defaultScreenName) {
         alertPopup({
             //txtTitle: polyglot.t(''), add some title (not 'error', please) or just KISS
-            txtMessage: 'You can\'t short links because you are not logged in.'
+            txtMessage: 'You can\'t shorten links because you are not logged in.'
         });
         return;
     }
     if (parseInt(twisterVersion) < 93500) {
         alertPopup({
             //txtTitle: polyglot.t(''), add some title (not 'error', please) or just KISS
-            txtMessage: 'You can\'t short links because twister daemon is obsolete!\n'
+            txtMessage: 'You can\'t shorten links because twister daemon is obsolete!\n'
                 + 'Version 0.9.35 or higher is required. Please keep your twister up to date.'
         });
         return;

js/twister_actions.js

@@ -325,7 +325,7 @@ function newRtMsg(postData, msg) {
 function newShortURI(uri, cbFunc, cbReq) {
     if (!uri || !defaultScreenName) return;
     if (parseInt(twisterVersion) < 93500) {
-        console.warn('can\'t short URI "' + uri + '": daemon is obsolete, version 0.9.35 or higher is required');
+        console.warn('can\'t shorten URI "' + uri + '": daemon is obsolete, version 0.9.35 or higher is required');
         return;
     }