Merge pull request #3898 from faintdeception/patch-1

Typo in C# example change velocity to _velocity

tutorials/physics/using_kinematic_body_2d.rst

@@ -265,7 +265,7 @@ Attach a script to the KinematicBody2D and add the following code:
         public override void _PhysicsProcess(float delta)
         {
             GetInput();
-            MoveAndCollide(velocity * delta);
+            MoveAndCollide(_velocity * delta);
         }
     }