diff --git a/backend/app/api/v1/routes_jobs.py b/backend/app/api/v1/routes_jobs.py
index 27fad87..ae3d348 100644
--- a/backend/app/api/v1/routes_jobs.py
+++ b/backend/app/api/v1/routes_jobs.py
@@ -1628,7 +1628,8 @@ async def update_job_vtt_content(
 
         # Snapshot before overwriting live file
         await vtt_versioning.create_version(
-            db, job_id, target_language, "captions", captions_vtt_fixed, current_user
+            db, job_id, target_language, "captions", captions_vtt_fixed, current_user,
+            note=request.note,
         )
 
         # Upload updated VTT
@@ -1713,7 +1714,8 @@ async def update_job_vtt_content(
 
         # Snapshot before overwriting live file
         await vtt_versioning.create_version(
-            db, job_id, target_language, "ad", ad_vtt_fixed, current_user
+            db, job_id, target_language, "ad", ad_vtt_fixed, current_user,
+            note=request.note,
         )
 
         # Upload updated VTT
diff --git a/backend/app/schemas/job.py b/backend/app/schemas/job.py
index af65a8e..c1b980f 100644
--- a/backend/app/schemas/job.py
+++ b/backend/app/schemas/job.py
@@ -80,6 +80,7 @@ class VttUpdateRequest(BaseModel):
     language: str | None = None  # If None, defaults to source language
     if_match: str | None = None  # Optimistic locking — SHA1 of expected current content
     retranslate_languages: bool = False  # Re-translate all target languages from updated source VTT
+    note: str | None = None  # Optional save message shown in version history
 
     @field_validator('captions_vtt', 'audio_description_vtt', mode='before')
     @classmethod