diff --git a/content/functions/scratch.md b/content/functions/scratch.md
index f69d3b760..2dc858c99 100644
--- a/content/functions/scratch.md
+++ b/content/functions/scratch.md
@@ -22,6 +22,10 @@ aliases: [/extras/scratch/,/doc/scratch/]
 
 In most cases you can do well without `Scratch`, but there are some use cases that aren't solvable with Go's templates without `Scratch`'s help, due to scoping issues.
 
+{{% note %}}
+See [this Go issue](https://github.com/golang/go/issues/10608) for the main motivation behind Scratch.
+{{% /note %}}
+
 `Scratch` is added to both `Page` and `Shortcode` -- with following methods:
 
 * `Set` and `Add` takes a `key` and the `value` to add.