diff --git a/slides/common/composescale.md b/slides/common/composescale.md
index fe4939d6..fca9cef7 100644
--- a/slides/common/composescale.md
+++ b/slides/common/composescale.md
@@ -100,13 +100,14 @@ We have available resources.
 ## Scaling workers on a single node
 
 - Docker Compose supports scaling
-- Let's scale `worker` and see what happens!
+- Let's 
+`worker` and see what happens!
 
 .exercise[
 
 - Start one more `worker` container:
   ```bash
-  docker-compose scale worker=2
+  docker-compose up --scale worker=2
   ```
 
 - Look at the performance graph (it should show a x2 improvement)
@@ -127,7 +128,7 @@ We have available resources.
 
 - Start eight more `worker` containers:
   ```bash
-  docker-compose scale worker=10
+  docker-compose up --scale worker=10
   ```
 
 - Look at the performance graph: does it show a x10 improvement?