diff --git a/src/sanitizer.py b/src/sanitizer.py
index f533354..a71f217 100644
--- a/src/sanitizer.py
+++ b/src/sanitizer.py
@@ -1,3 +1,9 @@
+#
+#   src/sanitizer.py
+#   AGPL-3.0 - saningi-html
+#
+
+
 import bleach
 from profiles import STRICT, LOOSE
 from log.Logger import *
@@ -9,6 +15,15 @@ PROFILES = {
 }
 
 def sanitize(html : str, mode : str) -> str:
+    """
+    Arguments:
+        html : str  -> input html
+        mode : str  -> the defined mode which is from profiles.py ; or PROFILES variable
+    
+    Functionality:
+        This function takes in HTML sanitzies it with bleach and returns clean HTML
+    """
+
     # this should be used with caution! it is for trusted
     # individuals only
     if mode == "passthrough":