diff --git a/borgmatic/config/schema.yaml b/borgmatic/config/schema.yaml
index af0051b7..2cb6dbb3 100644
--- a/borgmatic/config/schema.yaml
+++ b/borgmatic/config/schema.yaml
@@ -318,7 +318,7 @@ properties:
             borg_files_cache_ttl:
                 type: integer
                 description: |
-                    Maximum time to live (ttl) for entries in the borg files
+                    Maximum time to live (ttl) for entries in the Borg files
                     cache.
                 example: 20
             borg_security_directory:
diff --git a/tests/unit/borg/test_environment.py b/tests/unit/borg/test_environment.py
index c5fce80d..4cef39b9 100644
--- a/tests/unit/borg/test_environment.py
+++ b/tests/unit/borg/test_environment.py
@@ -32,3 +32,8 @@ def test_make_environment_with_relocated_repo_access_should_override_default():
     environment = module.make_environment({'relocated_repo_access_is_ok': True})
 
     assert environment.get('BORG_RELOCATED_REPO_ACCESS_IS_OK') == 'yes'
+
+
+def test_make_environment_with_integer_variable_value():
+    environment = module.make_environment({'borg_files_cache_ttl': 40})
+    assert environment.get('BORG_FILES_CACHE_TTL') == '40'