diff --git a/README.md b/README.md
index 0019513..36760cf 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Build NRF Connect SDK projects
 
 ## Usage example:
 
-```
+```yml
 jobs:
   build:
 
@@ -25,7 +25,7 @@ jobs:
 
 To select the specific version of  NRF Connect SDK you
 can reference a specific version of GitHub action:
-```
+```yml
 uses: embedd-actions/nrf-connect-sdk-ci@v2.3.0
 uses: embedd-actions/nrf-connect-sdk-ci@v2.4.0
 uses: embedd-actions/nrf-connect-sdk-ci@v2.6.1