diff --git a/harbour/ChangeLog.txt b/harbour/ChangeLog.txt
index 1caf63c909..36e4b27589 100644
--- a/harbour/ChangeLog.txt
+++ b/harbour/ChangeLog.txt
@@ -25,7 +25,7 @@
       the same used by SR646C CP module. Old one seemed
       quite wrong though I'm not even remotely expert in Serbian.
       [INCOMPATIBLE]
-      If you use "SRWIN" for indexing, make sure to reindex
+      If you use "SRWIN" CP for indexing, make sure to reindex
     ; Verify me
 
   * src/codepage/cpua866.c
@@ -37,6 +37,8 @@
       According to this page, these two chars are part of the
       Ukrainian alphabet:
          https://en.wikipedia.org/wiki/Ukrainian_language#Alphabet
+      [INCOMPATIBLE]
+      If you use "UA866" CP for indexing, make sure to reindex
 
   ; TOFIX: RUISO:
            This has 4 extra character pairs compared to all