Update camera.rpi_camera.markdown

rbray89 · rbray89 · commit 33d44397de28 · 2016-06-04T23:08:58.000-06:00
diff --git a/source/_components/camera.rpi_camera.markdown b/source/_components/camera.rpi_camera.markdown
@@ -44,3 +44,8 @@ Configuration variables:
  - **file_path** (optional): Save the picture in a custom file path (default: camera components folder)
  
 The given **file_path** must be an existing file because the camera platform setup make a writeable check on it.
+Ensure that the Home Assistant user is in the video group.
+eg.
+```
+  sudo usermod -a -G video hass
+```
