-tui.log_msg("To write on the map, hit Return on a single visible ASCII character in the input prompt", 1);
+tui.log_msg("To change the map cell you are standing on, type the desired ASCII character into the prompt and hit Return.", 1);
+tui.log_msg("");
+tui.log_msg("more commands:", 1);
+tui.log_msg("FLATTEN - transform surrounding map cells to \".\" ones", 3);
+tui.log_msg("");