Relable 'collection' to 'corpus'

Change-Id: Ief6a3f5426e429378d9dbf8ddf6af2077ed87044
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'];