[CORD-1924]
Documentation followup patch

Change-Id: I4387182ca58fa3fbb6ebda12f94f46e1a847e68f
(cherry picked from commit 144027fe2249450b7a95b2171e0dcf8540703789)
diff --git a/docs/book.json b/docs/book.json
index 9dba12d..f685978 100644
--- a/docs/book.json
+++ b/docs/book.json
@@ -24,7 +24,7 @@
         },
         {
           "value": "http://wiki.opencord.org/",
-          "text": "3.0 and previous (old wiki)"
+          "text": "3.0 and previous (wiki)"
         }
       ]
     }