diff --git a/book/cli/brighten.md b/book/cli/brighten.md
index 700a4e3..99392ec 100644
--- a/book/cli/brighten.md
+++ b/book/cli/brighten.md
@@ -2,17 +2,16 @@
 
 To prove that an image is correctly brightened by a brightness factor `factor`, run:
 ```shell
-docker run --rm -v "$(pwd):/opt/maya" 0xmayalabs/maya:latest prove brighten \
+docker run --rm -v "$(pwd):/opt/maya" 0xmayalabs/maya-cli:latest prove brighten \
 --original-image=./sample/original.png \
 --final-image=./sample/brightened.png \
---factor=2 \
+--brightening-factor=2 \
 --proof-dir=proofs
 ```
 
 To verify that an image is correctly brightened by a brightness factor `factor`, run:
 ```shell
-docker run --rm -v "$(pwd):/opt/maya" 0xmayalabs/maya:latest verify brighten \
+docker run --rm -v "$(pwd):/opt/maya" 0xmayalabs/maya-cli:latest verify brighten \
 --final-image=./sample/brightened.png \
---factor=2 \
 --proof-dir=proofs
 ```
\ No newline at end of file