diff --git a/README.md b/README.md
index fa4a53e..122dbd7 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ Install requirements:
 
 ```
 $ pip install -r requirements.txt
+$ pacman -S ffmpeg
 ```
 
 Configure ENV:
@@ -54,6 +55,7 @@ There is NO WARRANTY, to the extent permitted by law.
 Build image:
 
 ```
+$ cp .env docker.env
 $ make build
 ```