diff --git a/CHANGELOG.md b/CHANGELOG.md
index d27903ba..8b5b75e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,10 @@ We use [Break Versioning][breakver]. The version numbers follow a `<major>.<mino
 [lambdaisland/deep-diff "0.0-47"] is available but we use "0.0-25"
 ```
 
+* Updated guides on
+  * [Error Messages](https://metosin.github.io/reitit/basics/error_messages.html)
+  * [Route-data Validation](https://metosin.github.io/reitit/basics/route_data_validation.html)
+
 ### `reitit-core`
 
 * new options `:reitit.spec/wrap` to wrap top-level route data specs when spec validation is enabled. Using `spec-tools.spell/closed` closes top-level specs. 
@@ -31,7 +35,7 @@ We use [Break Versioning][breakver]. The version numbers follow a `<major>.<mino
 ### `reitit-frontend`
 
 * add support for html5 links inside Shadow DOM by [Antti Leppänen](https://github.com/fraxu).
-* lot's of React-router examples ported in, thanks to [Valtteri Harmainen](https://github.com/vharmain)
+* lot's of React-router [examples](./examples) ported in, thanks to [Valtteri Harmainen](https://github.com/vharmain)
 
 ### `reitit.pedestal`
 
diff --git a/modules/reitit-pedestal/src/reitit/pedestal.clj b/modules/reitit-pedestal/src/reitit/pedestal.clj
index 51c9a45b..d9171c6b 100644
--- a/modules/reitit-pedestal/src/reitit/pedestal.clj
+++ b/modules/reitit-pedestal/src/reitit/pedestal.clj
@@ -7,6 +7,7 @@
   (:import (reitit.interceptor Executor)
            (java.lang.reflect Method)))
 
+;; TODO: variadic
 (defn- arities [f]
   (->> (class f)
        .getDeclaredMethods