diff --git a/Lib/http/cookies.py b/Lib/http/cookies.py
index 35ac2dc6ae280c..bea6eab031aa45 100644
--- a/Lib/http/cookies.py
+++ b/Lib/http/cookies.py
@@ -598,15 +598,19 @@ def __parse_string(self, str, patt=_CookiePattern):
 
 
 class SimpleCookie(BaseCookie):
-    """
-    SimpleCookie supports strings as cookie values.  When setting
+    """SimpleCookie supports strings as cookie values.  When setting
     the value using the dictionary assignment notation, SimpleCookie
     calls the builtin str() to convert the value to a string.  Values
     received from HTTP are kept as strings.
     """
     def value_decode(self, val):
+        """Return an unquoted string, from the cookie header in a reversed fasion of value_encode.
+        """
         return _unquote(val), val
 
     def value_encode(self, val):
+        """Return an escaped quoted string, if needed, for the cookie header usage.
+        Will include non-compliant characters in the cookie value if exist.
+        """
         strval = str(val)
         return strval, _quote(strval)
diff --git a/Misc/NEWS.d/next/Documentation/2020-06-20-19-47-29.bpo-19670.wMt__Y.rst b/Misc/NEWS.d/next/Documentation/2020-06-20-19-47-29.bpo-19670.wMt__Y.rst
new file mode 100644
index 00000000000000..11c8692cc43ba8
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2020-06-20-19-47-29.bpo-19670.wMt__Y.rst
@@ -0,0 +1 @@
+added documentation to `SimpleCookie.value_decode` and `SimpleCookie.value_encode`
\ No newline at end of file