utils: Fix copy/paste of 'database port'

(cherry picked from commit 21ae69c83759f344492078db756a08cd554bf04c)

utils/kamctl/kamctlrc

@@ -20,7 +20,7 @@
 ## database host
 # DBHOST=localhost
 
-## database host
+## database port
 # DBPORT=3306
 
 ## database name (for ORACLE this is TNS name)