rename migration guide

docs/change-log.md

@@ -1,7 +1,15 @@
-# Migrating from `v0.2.x` to `v1.x`
+# Change log
+
+- [Migrating from v0.2.x](#migrating-from-v02x)
+
+---
+
+### Migrating from `v0.2.x`
 
 `v1.x` is largely API-compatible with `v0.2.x`, but there are some breaking changes.
 
+If you are migrating, consider using the [mithril-codemods](https://www.npmjs.com/package/mithril-codemods) tool to help automate the most straightforward migrations.
+
 - [`m.prop` removed](#mprop-removed)
 - [`m.component` removed](#mcomponent-removed)
 - [`config` function](#config-function)

docs/guides.md

@@ -9,8 +9,8 @@
 	- [Components](components.md)
 	- [Lifecycle methods](lifecycle-methods.md)
 	- [Keys](keys.md)
-- Migration
+- Social
-	- [Migrating from 0.2.x](migration.md)
+	- [Community chat](https://gitter.im/lhorie/mithril.js)
-- Meta
+	- [Credits](credits.md)
-	- [Chat room](https://gitter.im/lhorie/mithril.js)
+- Misc
-	- [Credits](credits.md)
+	- [Change log/Migration](change-log.md)