Introduced documentation on Annis QL.

Change-Id: I6b2f6a2a35a8edd2a5981f47df1284a9bbf40593
diff --git a/Changes b/Changes
index 6ec9c6a..9d5509f 100755
--- a/Changes
+++ b/Changes
@@ -12,6 +12,7 @@
         - Enable experimental proxy via
           configuration option 'experimental_proxy'.
         - Updated documentation on annotations.
+        - Introduced documentation on Annis QL (margaretha).
 
 0.34 2019-06-26
         - Introduced guided tour (hebasta, #19).