diff --git a/daylight-trigger.py b/daylight-trigger.py
index 33fc882..fd5f91b 100755
--- a/daylight-trigger.py
+++ b/daylight-trigger.py
@@ -3,8 +3,12 @@
 # Copyright 2019, Mischa Peters <mischa AT high5 DOT nl>, High5!.
 # Version 1.0 - 20191030
 #
+# Get ['dark'] from sensor ID and switch on/off light ID
 # depending where your sensor is located you can use ['daylight']
 #
+# For example:
+# $ daylight-trigger <bridge IP> <token> -s 50 -l 24
+#
 # Requires:
 #   - Python 3.x
 #
diff --git a/get-lights.py b/get-lights.py
index 1715646..15ee9a8 100755
--- a/get-lights.py
+++ b/get-lights.py
@@ -3,6 +3,8 @@
 # Copyright 2019, Mischa Peters <mischa AT high5 DOT nl>, High5!.
 # Version 1.0 - 20191028
 #
+# Get all light IDs
+#
 # Requires:
 #   - Python 3.x
 #
diff --git a/get-sensors.py b/get-sensors.py
index eb8c886..aa7d4c5 100755
--- a/get-sensors.py
+++ b/get-sensors.py
@@ -3,6 +3,9 @@
 # Copyright 2019, Mischa Peters <mischa AT high5 DOT nl>, High5!.
 # Version 1.0 - 20191028
 #
+# Get all sensor IDs (ZLLPresence, ZLLLightLevel and ZLLTemperature)
+# grouped by ZLLPresence name
+#
 # Requires:
 #   - Python 3.x
 #