diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9f5b962..c166966 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
       - id: debug-statements
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.3
+    rev: v0.16.6
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
diff --git a/README.md b/README.md
index 2b9b5ab..0f539c7 100644
--- a/README.md
+++ b/README.md
@@ -154,8 +154,8 @@ If nothing matches, all remaining options pass through. If any `upto` requiremen
 ### Closing
 
 ```python
-client.close()          # X402OpenAI
-await client.aclose()   # AsyncX402OpenAI
+client.close()  # X402OpenAI
+await client.aclose()  # AsyncX402OpenAI
 ```
 
 `close()` / `aclose()` dispose TVM `ExactTvmScheme` HTTP clients. Close before the first request is a no-op. A request after close raises `X402OpenAI is closed` and does not rebuild.