diff --git a/docs/hyperdatasets/webapp/webapp_datasets_frames.md b/docs/hyperdatasets/webapp/webapp_datasets_frames.md
index ee4037b2..0adf1d56 100644
--- a/docs/hyperdatasets/webapp/webapp_datasets_frames.md
+++ b/docs/hyperdatasets/webapp/webapp_datasets_frames.md
@@ -34,6 +34,7 @@ Use frame viewer controls to navigate between frames in a Hyper-Dataset Version,
 |<img src="/docs/latest/icons/ico-arrow-right.svg" alt="Next frame icon" className="icon size-md space-sm" />|Go to the next frame | Right arrow |
 |<img src="/docs/latest/icons/ico-skip-next.svg" alt="Jump to next unfiltered annotation" className="icon size-md space-sm" />|Go to the next frame containing a non-filtered annotation (same filter as <img src="/docs/latest/icons/ico-skip-previous.svg" alt="Jump to previous unfiltered annotation" className="icon size-md space-sm" />).| <img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> |
 |<img src="/docs/latest/icons/ico-skip-forward.svg" alt="Jump forwards icon" className="icon size-md space-sm" />|Jump forwards ten frames | CTRL + Right arrow |
+|`Use Source Data`|Show the frame’s `source` rather than its `preview_uri`| <img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> |
 |<img src="/docs/latest/icons/ico-revert.svg" alt="Reload frame icon" className="icon size-md space-sm" />|Reload the frame.| <img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> |
 |<img src="/docs/latest/icons/ico-undo.svg" alt="Undo icon" className="icon size-md space-sm" />|Undo changes.|Ctrl + Z| 
 |<img src="/docs/latest/icons/ico-redo.svg" alt="Redo icon" className="icon size-md space-sm" />|Redo changes.|Ctrl + Y| 
@@ -42,6 +43,9 @@ Use frame viewer controls to navigate between frames in a Hyper-Dataset Version,
 |<img src="/docs/latest/icons/ico-zoom-in.svg" alt="Zoom in icon" className="icon size-md space-sm" />|Zoom in| **+** or Ctrl + Mouse wheel| 
 |<img src="/docs/latest/icons/ico-zoom-out.svg" alt="Zoom out icon" className="icon size-md space-sm" />|Zoom out| **-** or Ctrl + Mouse wheel |
 |Percentage textbox|Zoom percentage| <img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> |
+|`Current Source`|When viewing multi-source FrameGroups, select which of the FrameGroups' sources to display: <ul><li>`Default preview source`: present the first available source for each frame (sources are retrieved in ASCIIbetical order)</li><li>`All sources `: Present all the FrameGroup’s sources in a grid</li><li>Specific source: Select an individual source by name from the list of available sources</li></ul>
+
+|<img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> | 
 |<img src="/docs/latest/icons/ico-shared-item.svg" alt="Copy URL" className="icon size-md space-sm" />| Copy frame URL. A direct link to view the current frame|<img src="/docs/latest/icons/ico-optional-no.svg" alt="Not applicable" className="icon size-md center-md" /> | 
 
 #### Additional Keyboard Shortcuts