diff --git a/documentation/topics/validations.md b/documentation/topics/validations.md
index 573793d8..a82f9aa7 100644
--- a/documentation/topics/validations.md
+++ b/documentation/topics/validations.md
@@ -84,4 +84,17 @@ validations do
     where present(:baz)
   end
 end
-```
\ No newline at end of file
+```
+
+## Action-Specific Validation
+
+You can also put a validation directly in an action, like so:
+
+```elixir
+actions do
+  create do
+    ...
+    validate present([:foo, :bar], at_least: 1)
+  end
+end
+```