diff --git a/autogpt_platform/backend/backend/blocks/video/loop.py b/autogpt_platform/backend/backend/blocks/video/loop.py
index 9c27dacdad..461610f713 100644
--- a/autogpt_platform/backend/backend/blocks/video/loop.py
+++ b/autogpt_platform/backend/backend/blocks/video/loop.py
@@ -26,13 +26,13 @@ class LoopVideoBlock(Block):
             description="The input video (can be a URL, data URI, or local path)."
         )
         duration: Optional[float] = SchemaField(
-            description="Target duration (in seconds) to loop the video to. If omitted, defaults to no looping.",
+            description="Target duration (in seconds) to loop the video to. Either duration or n_loops must be provided.",
             default=None,
             ge=0.0,
             le=3600.0,  # Max 1 hour to prevent disk exhaustion
         )
         n_loops: Optional[int] = SchemaField(
-            description="Number of times to repeat the video. If omitted, defaults to 1 (no repeat).",
+            description="Number of times to repeat the video. Either n_loops or duration must be provided.",
             default=None,
             ge=1,
             le=10,  # Max 10 loops to prevent disk exhaustion
diff --git a/docs/integrations/block-integrations/video/loop.md b/docs/integrations/block-integrations/video/loop.md
index 89aa81118c..ea90422e2e 100644
--- a/docs/integrations/block-integrations/video/loop.md
+++ b/docs/integrations/block-integrations/video/loop.md
@@ -18,8 +18,8 @@ The block uses MoviePy's Loop effect to repeat a video clip. You can specify eit
 | Input | Description | Type | Required |
 |-------|-------------|------|----------|
 | video_in | The input video (can be a URL, data URI, or local path). | str (file) | Yes |
-| duration | Target duration (in seconds) to loop the video to. If omitted, defaults to no looping. | float | No |
-| n_loops | Number of times to repeat the video. If omitted, defaults to 1 (no repeat). | int | No |
+| duration | Target duration (in seconds) to loop the video to. Either duration or n_loops must be provided. | float | No |
+| n_loops | Number of times to repeat the video. Either n_loops or duration must be provided. | int | No |
 
 ### Outputs