diff --git a/doc/coercion/malli_coercion.md b/doc/coercion/malli_coercion.md
index b193db11..4b05e721 100644
--- a/doc/coercion/malli_coercion.md
+++ b/doc/coercion/malli_coercion.md
@@ -96,3 +96,16 @@ Using `create` with options to create the coercion instead of `coercion`:
    ;; malli options
    :options nil})
 ```
+
+## Configuring humanize error messages
+
+Malli humanized error messages can be configured using `:options :errors`:
+
+```clj
+(reitit.coercion.malli/create
+ {:options
+  {:errors (assoc malli.error/default-errors
+                  :malli.core/missing-key {:error/message {:en "MISSING"}})}})
+```
+
+See the malli docs for more info.