diff --git a/infrastructure.md b/infrastructure.md
index 9a0e18c..c9210ff 100644
--- a/infrastructure.md
+++ b/infrastructure.md
@@ -134,11 +134,11 @@ All series-related WebSocket events include `key` as the primary identifier in t
 
 ### AnimeSeries Identifier Fields
 
-| Field  | Type        | Purpose                                           |
-| ------ | ----------- | ------------------------------------------------- |
-| `id`   | Primary Key | Internal database key for relationships           |
-| `key`  | Unique, Indexed | **PRIMARY IDENTIFIER** for all lookups       |
-| `folder` | String    | Filesystem metadata only (not for identification) |
+| Field    | Type            | Purpose                                           |
+| -------- | --------------- | ------------------------------------------------- |
+| `id`     | Primary Key     | Internal database key for relationships           |
+| `key`    | Unique, Indexed | **PRIMARY IDENTIFIER** for all lookups            |
+| `folder` | String          | Filesystem metadata only (not for identification) |
 
 **Database Service Methods:**
 
diff --git a/instructions.md b/instructions.md
index f0ee935..b7542c1 100644
--- a/instructions.md
+++ b/instructions.md
@@ -196,12 +196,13 @@ conda run -n AniWorld python -m pytest tests/ -v
 ```
 
 **Completion Notes:**
-- Updated `FakeSerie` and `FakeSeriesApp` in `test_anime_endpoints.py` with realistic keys
-- Updated fixtures in `test_websocket_integration.py` (6+ fixtures)
-- Updated fixtures in `test_download_progress_integration.py` (5 fixtures)
-- Updated fixtures in `test_download_progress_websocket.py` (9 fixtures)
-- Updated fixtures in `test_download_models.py` (10+ fixtures)
-- All fixtures now use URL-safe, lowercase, hyphenated key format
+
+-   Updated `FakeSerie` and `FakeSeriesApp` in `test_anime_endpoints.py` with realistic keys
+-   Updated fixtures in `test_websocket_integration.py` (6+ fixtures)
+-   Updated fixtures in `test_download_progress_integration.py` (5 fixtures)
+-   Updated fixtures in `test_download_progress_websocket.py` (9 fixtures)
+-   Updated fixtures in `test_download_models.py` (10+ fixtures)
+-   All fixtures now use URL-safe, lowercase, hyphenated key format
 
 ---
 
@@ -230,13 +231,14 @@ conda run -n AniWorld python -m pytest tests/ -v
 -   [x] All integration tests pass (10 tests)
 
 **Completion Notes:**
-- Created comprehensive test file with 10 tests:
-  - `TestAPIIdentifierConsistency`: 2 tests for API response validation
-  - `TestServiceIdentifierConsistency`: 2 tests for download service key usage
-  - `TestWebSocketIdentifierConsistency`: 2 tests for WebSocket events
-  - `TestIdentifierValidation`: 2 tests for model validation
-  - `TestEndToEndIdentifierFlow`: 2 tests for full flow verification
-- Tests use UUID suffixes for isolation to prevent state leakage
+
+-   Created comprehensive test file with 10 tests:
+    -   `TestAPIIdentifierConsistency`: 2 tests for API response validation
+    -   `TestServiceIdentifierConsistency`: 2 tests for download service key usage
+    -   `TestWebSocketIdentifierConsistency`: 2 tests for WebSocket events
+    -   `TestIdentifierValidation`: 2 tests for model validation
+    -   `TestEndToEndIdentifierFlow`: 2 tests for full flow verification
+-   Tests use UUID suffixes for isolation to prevent state leakage
 
 **Test Command:**
 
diff --git a/tests/integration/test_identifier_consistency.py b/tests/integration/test_identifier_consistency.py
index 66046d3..0ebb384 100644
--- a/tests/integration/test_identifier_consistency.py
+++ b/tests/integration/test_identifier_consistency.py
@@ -153,6 +153,7 @@ class TestAPIIdentifierConsistency:
         - Both fields are present and distinct
         """
         import uuid
+
         # Add an item first with unique key
         unique_suffix = str(uuid.uuid4())[:8]
         unique_key = f"one-piece-{unique_suffix}"
@@ -319,7 +320,7 @@ class TestServiceIdentifierConsistency:
         - Data can be restored with correct identifiers
         """
         import json
-        
+
         # Add item to queue
         await download_service.add_to_queue(
             serie_id="jujutsu-kaisen",
@@ -470,6 +471,7 @@ class TestEndToEndIdentifierFlow:
         - All responses contain correct identifiers
         """
         import uuid
+
         # Use unique key to avoid conflicts with other tests
         unique_suffix = str(uuid.uuid4())[:8]
         unique_key = f"bleach-tybw-{unique_suffix}"