diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index daf86511b..263eac87b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.1
+    rev: v0.16.6
     hooks:
       - id: ruff-check
         args: ["--fix", "--show-fixes"]
diff --git a/plans/ctable-schema.md b/plans/ctable-schema.md
index d9cd3fb1c..6d3bc9767 100644
--- a/plans/ctable-schema.md
+++ b/plans/ctable-schema.md
@@ -882,12 +882,12 @@ from .schema import bool, bytes, field, float64, int64, string
 And in `__all__`:
 
 ```python
-"bool",
-"bytes",
-"field",
-"float64",
-"int64",
-"string",
+("bool",)
+("bytes",)
+("field",)
+("float64",)
+("int64",)
+("string",)
 ```
 
 Notes: