diff --git a/files/qa-databases.conf b/files/qa-databases.conf
index 562a8815..f967bbf9 100644
--- a/files/qa-databases.conf
+++ b/files/qa-databases.conf
@@ -1,14 +1,14 @@
-# QA-specific databases.conf, would be copied manually to $FB_HOME
+# QA-specific databases.conf, will be ADDED $FB_HOME/databases.conf
 # by batch scenario as part of preparation, before QA suite run.
+# ::: NB :::
+# DO NOT add here aliases 'employee', 'employee.fdb' and 'security.db'
+# ####################################################################
 # Discussed with pcisar, letters since 30-may-2022 13:48, subject:
-# "new qa, core_4964_test.py: strange outcome when use... shutil.copy() // comparing to shutil.copy2()"
-###################################################################
-
-employee.fdb = $(dir_sampleDb)/employee.fdb
-employee = $(dir_sampleDb)/employee.fdb
+# "new qa, core_4964_test.py: strange outcome when use... shutil.copy()"
+# ####################################################################
 
 # Hereafter we specify data for tests which require special settings for database.
-# NOTE: each alias must EXACTLY match to value specified in the test!
+# Each alias must EXACTLY match to value in the test, including letters case.
 #
 
 # Test issue: https://github.com/FirebirdSQL/firebird/issues/5160