diff --git a/core/os/input.cpp b/core/os/input.cpp
index 1a24258a103..3b895b16b46 100644
--- a/core/os/input.cpp
+++ b/core/os/input.cpp
@@ -86,7 +86,7 @@ void Input::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_mouse_mode", "mode"), &Input::set_mouse_mode);
 	ClassDB::bind_method(D_METHOD("get_mouse_mode"), &Input::get_mouse_mode);
 	ClassDB::bind_method(D_METHOD("warp_mouse_position", "to"), &Input::warp_mouse_position);
-	ClassDB::bind_method(D_METHOD("action_press", "action", "strength"), &Input::action_press);
+	ClassDB::bind_method(D_METHOD("action_press", "action", "strength"), &Input::action_press, DEFVAL(1.f));
 	ClassDB::bind_method(D_METHOD("action_release", "action"), &Input::action_release);
 	ClassDB::bind_method(D_METHOD("set_default_cursor_shape", "shape"), &Input::set_default_cursor_shape, DEFVAL(CURSOR_ARROW));
 	ClassDB::bind_method(D_METHOD("set_custom_mouse_cursor", "image", "shape", "hotspot"), &Input::set_custom_mouse_cursor, DEFVAL(CURSOR_ARROW), DEFVAL(Vector2()));
diff --git a/doc/classes/Input.xml b/doc/classes/Input.xml
index bf395ee513e..724e6a078d3 100644
--- a/doc/classes/Input.xml
+++ b/doc/classes/Input.xml
@@ -17,10 +17,11 @@
 			</return>
 			<argument index="0" name="action" type="String">
 			</argument>
-			<argument index="1" name="strength" type="float">
+			<argument index="1" name="strength" type="float" default="1.0">
 			</argument>
 			<description>
-				This will simulate pressing the specified action. The strength can be used for non-boolean actions.
+				This will simulate pressing the specified action.
+				The strength can be used for non-boolean actions, it's ranged between 0 and 1 representing the intensity of the given action.
 			</description>
 		</method>
 		<method name="action_release">