diff --git a/pre_commit/languages/all.py b/pre_commit/languages/all.py
index 9e69f701b..409b43506 100644
--- a/pre_commit/languages/all.py
+++ b/pre_commit/languages/all.py
@@ -41,7 +41,7 @@ class Language(NamedTuple):
 
 # TODO: back to modules + Protocol: https://github.com/python/mypy/issues/5018
 languages = {
-    # BEGIN GENERATED (./testing/gen-languages-all)
+    # BEGIN GENERATED (testing/gen-languages-all)
     'conda': Language(name='conda', ENVIRONMENT_DIR=conda.ENVIRONMENT_DIR, get_default_version=conda.get_default_version, healthy=conda.healthy, install_environment=conda.install_environment, run_hook=conda.run_hook),  # noqa: E501
     'coursier': Language(name='coursier', ENVIRONMENT_DIR=coursier.ENVIRONMENT_DIR, get_default_version=coursier.get_default_version, healthy=coursier.healthy, install_environment=coursier.install_environment, run_hook=coursier.run_hook),  # noqa: E501
     'docker': Language(name='docker', ENVIRONMENT_DIR=docker.ENVIRONMENT_DIR, get_default_version=docker.get_default_version, healthy=docker.healthy, install_environment=docker.install_environment, run_hook=docker.run_hook),  # noqa: E501
diff --git a/pre_commit/languages/r.py b/pre_commit/languages/r.py
index d2163d648..67cf1ebf7 100644
--- a/pre_commit/languages/r.py
+++ b/pre_commit/languages/r.py
@@ -51,10 +51,9 @@ def _prefix_if_file_entry(
 
 def _entry_validate(entry: Sequence[str]) -> None:
     """
-    # allowed entries:
+    Allowed entries:
     # Rscript -e expr
     # Rscript path/to/file
-    # TODO what if expr is x;2? not captured by shlex.split()
     """
     if entry[0] != 'Rscript':
         raise ValueError('entry must start with `Rscript`.')
diff --git a/testing/resources/r_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/r_hooks_repo/.pre-commit-hooks.yaml
index e44278981..b3545d969 100644
--- a/testing/resources/r_hooks_repo/.pre-commit-hooks.yaml
+++ b/testing/resources/r_hooks_repo/.pre-commit-hooks.yaml
@@ -20,7 +20,8 @@
     name: Say hi
     entry: Rscript -e '1+1' -e '3' --no-cache3
     language: r
-    types: [r]# real world
+    types: [r]
+# real world
 -   id: hello-world
     name: Say hi
     entry: Rscript hello-world.R
@@ -32,8 +33,8 @@
     entry: |
       Rscript -e
       'stopifnot(
-      packageVersion("rprojroot") == "1.0",
-      packageVersion("gli.clu") == "0.0.0.9000"
+        packageVersion("rprojroot") == "1.0",
+        packageVersion("gli.clu") == "0.0.0.9000"
       )
       cat(commandArgs(trailingOnly = TRUE), "from R!\n", sep = ", ")
       '
diff --git a/tests/languages/r_test.py b/tests/languages/r_test.py
index a62325066..5c046efed 100644
--- a/tests/languages/r_test.py
+++ b/tests/languages/r_test.py
@@ -97,7 +97,6 @@ def test_r_parsing_expr_args_in_entry2(tempdir_factory, store):
 
 
 def test_r_parsing_expr_non_Rscirpt(tempdir_factory, store):
-
     with pytest.raises(ValueError) as execinfo:
         r._entry_validate(['AnotherScript', '-e', '{{}}'])
 
diff --git a/tests/repository_test.py b/tests/repository_test.py
index d667a64bd..114780dc3 100644
--- a/tests/repository_test.py
+++ b/tests/repository_test.py
@@ -349,8 +349,6 @@ def test_run_ruby_hook_with_disable_shared_gems(
         tempdir_factory,
         store,
         tmpdir,
-
-
 ):
     """Make sure a Gemfile in the project doesn't interfere."""
     tmpdir.join('Gemfile').write('gem "lol_hai"')