diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index db2d662..d06ced4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,6 +10,12 @@ repos:
       - id: detect-private-key
       - id: end-of-file-fixer
       - id: fix-byte-order-marker
+  - repo: https://github.com/thlorenz/doctoc
+    rev: v2.2.0
+    hooks:
+      - id: doctoc
+        # https://github.com/Mikaela/gist/blob/master/doctoc.txt
+        args: [--update-only]
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: "v3.0.0-alpha.6"
     hooks:
@@ -19,3 +25,4 @@ repos:
     hooks:
       - id: editorconfig-checker
         alias: ec
+        args: [-disable-max-line-length]