diff --git a/bindings/python/sample_ctl.py b/bindings/python/sample_ctl.py
old mode 100644
new mode 100755
index 8e33ad29..202a2094
--- a/bindings/python/sample_ctl.py
+++ b/bindings/python/sample_ctl.py
@@ -1,4 +1,5 @@
-# Unicorn Emulator Engine
+#!/usr/bin/env python
+# Sample code for Unicorn.
 # By Lazymio(@wtdcode), 2021
 
 from unicorn import *
diff --git a/bindings/python/sample_s390x.py b/bindings/python/sample_s390x.py
index c2a3ec58..6b96d827 100644
--- a/bindings/python/sample_s390x.py
+++ b/bindings/python/sample_s390x.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# Sample code for S390x of Unicorn.
 
 from unicorn import *
 from unicorn.s390x_const import *