diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 1b000ab..7b55a3d 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -24,4 +24,6 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
     - uses: pre-commit/action@v3.0.1
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e890e41..96a7726 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -45,7 +45,7 @@ We ask that commits are atomic, meaning they are complete and have a single resp
 PRs should tell a cohesive story, with test and refactor commits that keep the
 fix or feature commits simple and clear.
 
-Specifically, we would encouage
+Specifically, we would encourage
 - File renames be isolated into their own commit
 - Add tests in a commit before their feature or fix, showing the current behavior.
   The diff for the feature/fix commit will then show how the behavior changed,
diff --git a/Cargo.toml b/Cargo.toml
index fe0c8ba..0c092ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,6 +80,7 @@ string_lit_as_bytes = "warn"
 string_to_string = "warn"
 todo = "warn"
 trait_duplication_in_bounds = "warn"
+uninlined_format_args = "warn"
 verbose_file_reads = "warn"
 wildcard_imports = "warn"
 zero_sized_map_values = "warn"
diff --git a/examples/tree.rs b/examples/tree.rs
index 0a9bca3..8697ca6 100644
--- a/examples/tree.rs
+++ b/examples/tree.rs
@@ -26,7 +26,7 @@ fn tree<P: AsRef<Path>>(p: P) -> io::Result<Tree<String>> {
 fn main() {
     let dir = env::args().nth(1).unwrap_or_else(|| String::from("."));
     match tree(dir) {
-        Ok(tree) => println!("{}", tree),
-        Err(err) => println!("error: {}", err),
+        Ok(tree) => println!("{tree}"),
+        Err(err) => println!("error: {err}"),
     }
 }