diff --git a/docs_v1.0/API_V1.0.0/API_DICTIONARY_V1.0.0.md b/docs_v1.0/API_V1.0.0/API_DICTIONARY_V1.0.0.md
index b63e40f..2450c41 100644
--- a/docs_v1.0/API_V1.0.0/API_DICTIONARY_V1.0.0.md
+++ b/docs_v1.0/API_V1.0.0/API_DICTIONARY_V1.0.0.md
@@ -61,7 +61,7 @@ Every path segment after the resource ID is a **verb** — an action on that res
 | 6 | GET | `/api/v1/stats/sftpgo` | SFTPGo service status |
 | 7 | GET | `/api/v1/stats/inference` | LLM/embedding health |
 | 8 | POST | `/api/v1/files/register` | Register video file → file_uuid |
-| 9 | POST | `/api/v1/unregister` | Delete file + all data |
+| 9 | POST | `/api/v1/unregister` | Unregister file(s): by `uuid` or pattern match on `file_path`+`pattern` |
 | 10 | GET | `/api/v1/files/scan` | Scan directory for new files |
 | 11 | GET | `/api/v1/file/:file_uuid/probe` | ffprobe metadata |
 | 12 | POST | `/api/v1/file/:file_uuid/process` | Start processing pipeline |
diff --git a/docs_v1.0/API_V1.0.0/API_REFERENCE_V1.0.0.md b/docs_v1.0/API_V1.0.0/API_REFERENCE_V1.0.0.md
index 575e879..74deb3b 100644
--- a/docs_v1.0/API_V1.0.0/API_REFERENCE_V1.0.0.md
+++ b/docs_v1.0/API_V1.0.0/API_REFERENCE_V1.0.0.md
@@ -96,7 +96,7 @@ curl http://localhost:3002/health/detailed
 | # | Method | Path | Description |
 |---|--------|------|-------------|
 | 9 | POST | `/api/v1/files/register` | Register video → file_uuid |
-| 10 | POST | `/api/v1/unregister` | Delete file + all data |
+| 10 | POST | `/api/v1/unregister` | Unregister file(s): by `uuid` or pattern match (`file_path`+`pattern`) |
 | 11 | GET | `/api/v1/files/scan` | Scan directory for new files |
 | 12 | GET | `/api/v1/files` | List files (paginated) |
 | 13 | GET | `/api/v1/file/:file_uuid` | Single file detail |
@@ -113,11 +113,20 @@ curl -X POST http://localhost:3002/api/v1/files/register  -H "X-API-Key: muser_6
 {"success":true,"file_uuid":"3abeee81d94597629ed8cb943f182e94","duration":5954.0}
 ```
 
+Modes:
+- By `uuid`: unregister a single file
+- By `file_path` + `pattern` regex: unregister all matching files in a directory
+
 ```bash
+# By UUID
 curl -X POST http://localhost:3002/api/v1/unregister \
-  -H "X-API-Key: muser_68600856036340bcafc01930eb4bd839_1774418104_97221b69" \
-  -H "Content-Type: application/json" \
+  -H "X-API-Key: muser_..." -H "Content-Type: application/json" \
   -d '{"uuid":"53e3a229bf68878b7a799e811e097f9c"}'
+
+# By pattern (unregister all .mp4 files in directory)
+curl -X POST http://localhost:3002/api/v1/unregister \
+  -H "X-API-Key: muser_..." -H "Content-Type: application/json" \
+  -d '{"file_path":"/data/demo","pattern":"\\.mp4$"}'
 ```
 ```json
 {"success":true,"uuid":"53e3a229bf68878b7a799e811e097f9c","message":"File unregistered successfully"}