diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH001_0.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH001_0.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH001_0.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH001_0.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH001_1.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH001_1.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH001_1.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH001_1.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH002_0.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH002_0.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH002_0.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH002_0.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH002_1.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH002_1.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH002_1.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH002_1.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH003_0.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH003_0.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH003_0.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH003_0.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH003_1.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH003_1.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH003_1.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH003_1.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH004_0.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH004_0.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH004_0.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH004_0.py
diff --git a/crates/ruff/resources/test/fixtures/pygrep-hooks/PGH005_0.py b/crates/ruff/resources/test/fixtures/pygrep_hooks/PGH005_0.py
similarity index 100%
rename from crates/ruff/resources/test/fixtures/pygrep-hooks/PGH005_0.py
rename to crates/ruff/resources/test/fixtures/pygrep_hooks/PGH005_0.py
diff --git a/crates/ruff/src/rules/flake8_builtins/rules/rules.rs b/crates/ruff/src/rules/flake8_builtins/rules/rules.rs
deleted file mode 100644
index 8b13789179..0000000000
--- a/crates/ruff/src/rules/flake8_builtins/rules/rules.rs
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/crates/ruff/src/rules/pygrep_hooks/mod.rs b/crates/ruff/src/rules/pygrep_hooks/mod.rs
index a19bfe9adb..c128517518 100644
--- a/crates/ruff/src/rules/pygrep_hooks/mod.rs
+++ b/crates/ruff/src/rules/pygrep_hooks/mod.rs
@@ -23,7 +23,7 @@ mod tests {
     fn rules(rule_code: Rule, path: &Path) -> Result<()> {
         let snapshot = format!("{}_{}", rule_code.noqa_code(), path.to_string_lossy());
         let diagnostics = test_path(
-            Path::new("pygrep-hooks").join(path).as_path(),
+            Path::new("pygrep_hooks").join(path).as_path(),
             &settings::Settings::for_rule(rule_code),
         )?;
         assert_messages!(snapshot, diagnostics);
diff --git a/scripts/add_plugin.py b/scripts/add_plugin.py
index ce9e143a21..219cfa42ad 100755
--- a/scripts/add_plugin.py
+++ b/scripts/add_plugin.py
@@ -5,7 +5,7 @@ Example usage:
 
     python scripts/add_plugin.py \
         flake8-pie \
-        --url https://pypi.org/project/flake8-pie/
+        --url https://pypi.org/project/flake8-pie/ \
         --prefix PIE
 """
 from __future__ import annotations