diff --git a/pre_commit/resources/hook-tmpl b/pre_commit/resources/hook-tmpl
index 53d29f95..64f81f0a 100755
--- a/pre_commit/resources/hook-tmpl
+++ b/pre_commit/resources/hook-tmpl
@@ -15,6 +15,6 @@ if [ -x "$INSTALL_PYTHON" ]; then
 elif command -v pre-commit > /dev/null; then
     exec pre-commit "${ARGS[@]}"
 else
-    echo '`pre-commit` not found.  Did you forget to activate your virtualenv?' 1>&2
+    echo '`pre-commit` not found. Did you forget to activate your virtualenv?' 1>&2
     exit 1
 fi
diff --git a/tests/commands/install_uninstall_test.py b/tests/commands/install_uninstall_test.py
index 8b0d3ece..78f8042f 100644
--- a/tests/commands/install_uninstall_test.py
+++ b/tests/commands/install_uninstall_test.py
@@ -291,7 +291,7 @@ def test_environment_not_sourced(tempdir_factory, store):
         ret, out = git_commit(env=env, check=False)
         assert ret == 1
         assert out == (
-            '`pre-commit` not found.  '
+            '`pre-commit` not found. '
             'Did you forget to activate your virtualenv?\n'
         )