Relable 'collection' to 'corpus'

Change-Id: Ief6a3f5426e429378d9dbf8ddf6af2077ed87044
diff --git a/dev/js/src/init.js b/dev/js/src/init.js
index d1488dc..4e2c5c3 100644
--- a/dev/js/src/init.js
+++ b/dev/js/src/init.js
@@ -43,11 +43,11 @@
 
   // Localization values
   var loc = KorAP.Locale;
-  loc.VC_allCorpora    = loc.VC_allCorpora    || 'all Corpora';
-  loc.VC_oneCollection = loc.VC_oneCollection || 'one Collection';
-  loc.TOGGLE_ALIGN     = loc.TOGGLE_ALIGN     || 'toggle Alignment';
+  loc.VC_allCorpora    = loc.VC_allCorpora    || 'all corpora';
+  loc.VC_oneCollection = loc.VC_oneCollection || 'a virtual corpus';
+  loc.TOGGLE_ALIGN     = loc.TOGGLE_ALIGN     || 'toggle alignment';
   loc.SHOW_KQ          = loc.SHOW_KQ          || 'show KoralQuery';
-  loc.SHOW_META        = loc.SHOW_META        || 'show Metadata';
+  loc.SHOW_META        = loc.SHOW_META        || 'show metadata';
 
 
   // Override KorAP.log
diff --git a/dev/js/src/loc/de.js b/dev/js/src/loc/de.js
index 4f280ba..c278a13 100644
--- a/dev/js/src/loc/de.js
+++ b/dev/js/src/loc/de.js
@@ -13,7 +13,7 @@
   */
 
   loc.VC_allCorpora = 'allen Korpora';
-  loc.VC_oneCollection = 'einer Kollektion';
+  loc.VC_oneCollection = 'einem virtuellen Korpus';
 
   // Date picker:
   loc.WDAY = ['Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa', 'So'];