diff --git a/typer/params.py b/typer/params.py
index a143f3f749..865ada21aa 100644
--- a/typer/params.py
+++ b/typer/params.py
@@ -8,6 +8,7 @@
     import click.shell_completion
 
 
+# Overload for Option created with custom type 'parser'
 @overload
 def Option(
     # Parameter
@@ -71,6 +72,7 @@ def Option(
     ...
 
 
+# Overload for Option created with custom type 'click_type'
 @overload
 def Option(
     # Parameter
@@ -251,6 +253,7 @@ def Option(
     )
 
 
+# Overload for Argument created with custom type 'parser'
 @overload
 def Argument(
     # Parameter
@@ -305,6 +308,7 @@ def Argument(
     ...
 
 
+# Overload for Argument created with custom type 'click_type'
 @overload
 def Argument(
     # Parameter