diff --git a/.github/workflows/asm.yml b/.github/workflows/asm.yml
index 4c8e2a2..6e08b2b 100644
--- a/.github/workflows/asm.yml
+++ b/.github/workflows/asm.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Build firmare
+    - name: Build firmware
       run: |
         export PATH=$PATH:$(pwd)/.cicd
         cd Apple2
diff --git a/Apple2/CommandFirmware.asm b/Apple2/CommandFirmware.asm
index 12596d2..519fbcd 100644
--- a/Apple2/CommandFirmware.asm
+++ b/Apple2/CommandFirmware.asm
@@ -1,3 +1,4 @@
+xxxxx intentionally break assembler to test build GitHub Action failure
 ;ProDOS Zero Page
 Command = $42 ;ProDOS Command
 Unit = $43 ;ProDOS unit (SDDD0000)