diff --git a/src/shorthands.jl b/src/shorthands.jl
index 86e913eb..7c5d7003 100644
--- a/src/shorthands.jl
+++ b/src/shorthands.jl
@@ -251,7 +251,8 @@ Draw contour lines of the `Surface` z.
 
 # Example 
 ```julia-repl
-julia> contour(-20:20,-20:20,(x,y)->x^2+y^2)
+julia> x = y = range(-20, 20, length = 100)
+julia> contour(x, y, (x, y) -> x^2 + y^2)
 ```
 """
 @shorthands contour
@@ -270,7 +271,8 @@ Draw a 3D surface plot.
 
 # Example
 ```julia-repl 
-julia> surface(1:10,1:10,randn(10,10))
+julia> x = y = range(-3, 3, length = 100)
+julia> surface(x, y, (x, y) -> sinc(norm([x, y])))
 ```
 """
 @shorthands surface