diff --git a/platform/platform-resources/src/launcher.py b/platform/platform-resources/src/launcher.py
index 0a679eec98fe..f04a26cb2c83 100644
--- a/platform/platform-resources/src/launcher.py
+++ b/platform/platform-resources/src/launcher.py
@@ -18,10 +18,13 @@ for i, arg in enumerate(sys.argv[1:]):
         print(('Usage:\n' + \
                '  {0} -h |-? | --help\n' + \
                '  {0} [-l|--line line] file[:line]\n' + \
-               '  {0} diff file1 file2').format(sys.argv[0]))
+               '  {0} diff <left> <right>\n' + \
+               '  {0} merge <left> <right> [base] <result>').format(sys.argv[0]))
         exit(0)
     elif arg == 'diff' and i == 0:
         args.append(arg)
+    elif arg == 'merge' and i == 0:
+        args.append(arg)
     elif arg == '-l' or arg == '--line':
         args.append(arg)
         skip_next = True
@@ -96,4 +99,4 @@ else:
     # unix common
     bin_dir, bin_file = os.path.split(RUN_PATH)
     os.chdir(bin_dir)
-    os.execv(bin_file, [bin_file] + args)
+    os.execv(bin_file, [bin_file] + args)
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