Improved docs (allman syntax)

content/docs/guide/patterns.mdx

@@ -25,11 +25,11 @@ match value {
 // Named tuple patterns (newtype)
 let MyType(value) = my_var;
 
-// Wildcard / etc
+// Wildcard / rest
 let _ = get_side_effect();
 match x {
-    1 => ...,
-    .. => ...,  // rest / etc
+    1 => expr,
+    .. => expr,  // rest / etc
 }
 
 // Mutable binding in pattern