Fixed bug in creating the 'previous posts' link and added mention to the beta version of this extension
diff --git a/_locales/ca/messages.json b/_locales/ca/messages.json
index 64ad764..0d952a6 100644
--- a/_locales/ca/messages.json
+++ b/_locales/ca/messages.json
@@ -3,6 +3,10 @@
     "message": "Scroll infinit a TW",
     "description": "The extension's name"
   },
+  "appNameBeta": {
+    "message": "Scroll infinit a TW (beta)",
+    "description": "The extension's name for the beta version"
+  },
   "appDescription": {
     "message": "Fes scroll infinit i obtén altres millores als Fòrums de Google i la Consola de la Comunitat",
     "description": "The extension's description"
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index ed227e3..decd633 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -3,6 +3,10 @@
     "message": "Infinite Scroll in TW",
     "description": "The extension's name"
   },
+  "appNameBeta": {
+    "message": "Infinite Scroll in TW (beta)",
+    "description": "The extension's name for the beta version"
+  },
   "appDescription": {
     "message": "Get infinite Scroll and other enhancements in the Google Forums and the Community Console",
     "description": "The extension's description"
diff --git a/_locales/es/messages.json b/_locales/es/messages.json
index a816b45..2e9b16f 100644
--- a/_locales/es/messages.json
+++ b/_locales/es/messages.json
@@ -3,6 +3,10 @@
     "message": "Scroll infinito en TW",
     "description": "The extension's name"
   },
+  "appNameBeta": {
+    "message": "Scroll infinito en TW (beta)",
+    "description": "The extension's name for the beta version"
+  },
   "appDescription": {
     "message": "Haz scroll infinito y obtén otras mejoras en los Foros de Google y la Consola de la Comunidad",
     "description": "The extension's description"