Update info on CSP in conf file

Change-Id: Ifc7c6c66df58e428e26a317db82495998f13075c
diff --git a/Changes b/Changes
old mode 100755
new mode 100644
index 95957be..48fb453
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.51 2023-09-26
+0.51 2023-09-27
         - Support defined log file in configuration. (diewald)
         - Remove experimental_client_registration setting
           and make client registration mandatory in OAuth
@@ -7,6 +7,7 @@
         - Support CQP in frontend (diewald)
         - Fix support for dot-symbols in (corpus/doc/text)-IDs
           (diewald)
+        - Update information regarding CSP in conf (diewald)
 
 0.50 2023-05-08
         - Improvement of NKJP-annotation helper. (diewald)