diff --git a/compose/environment-variables.md b/compose/environment-variables.md
index 3c67627b0a..42680cce17 100644
--- a/compose/environment-variables.md
+++ b/compose/environment-variables.md
@@ -129,11 +129,11 @@ services:
 When you set the same environment variable in multiple files, here's the
 priority used by Compose to choose which value to use:
 
-1. Compose file,
-2. Shell environment variables,
-3. Environment file,
-4. Dockerfile,
-5. Variable is not defined.
+1. Compose file
+2. Shell environment variables
+3. Environment file
+4. Dockerfile
+5. Variable is not defined
 
 In the example below, we set the same environment variable on an Environment
 file, and the Compose file: