Update my_first_workflow.yml

.github/workflows/my_first_workflow.yml

@@ -1,17 +1,21 @@
 name: Shell commands
-on: [push]
+
+on:
+  push:
+    # This workflow will be triggered on push events
+
 jobs:
   run-shell-command:
     runs-on: ${{ matrix.os }}
     strategy:
-    matrix:
-      os: [ubuntu-latest, ubuntu-20.04]
+      matrix:
+        os: [ubuntu-latest, ubuntu-20.04]
     steps:
-    - name: echo a string
-    run: echo "Hello World"
-    - name: multiline scritp
-    run: |
-      python3 -V
-      touch my_file_with_workflow.py
-      ls -l
-  
+      - name: echo a string
+        run: echo "Hello World"
+      - name: multiline script
+        run: |
+          python3 -V
+          touch my_file_with_workflow.py
+          ls -l
+