diff --git a/src/pages/docs/syntax.elm b/src/pages/docs/syntax.elm
index 61f08b2eb..e7cf2dac2 100644
--- a/src/pages/docs/syntax.elm
+++ b/src/pages/docs/syntax.elm
@@ -64,6 +64,7 @@ False : Bool
 
 42    : number  -- Int or Float depending on usage
 3.14  : Float
+0x4f  : number
 
 'a'   : Char
 "abc" : String