diff --git a/build/linux/README.md b/build/linux/README.md
index a47de96..ff368cb 100644
--- a/build/linux/README.md
+++ b/build/linux/README.md
@@ -12,4 +12,9 @@ git clone DeepFaceLive
 cd DeepFaceLive/build/linux/
 # start.sh builds and runs container with proper options, then example.sh will start DeepFaceLive with example options
 ./start.sh
+
+Usage of ./start.sh
+# -d specify a folder for DeepFaceLive data (videos, models, etc)
+-d /home/user/DeepFaceLive_data
+# -c will pass through existing video devices such as /dev/video0 and /dev/video1, etc
 ```