diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0d39a8d..e6851dc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,7 +2,7 @@
 # Given a tag, downloads the associated code, builds the package, and uploads the binary wheel(s)
 # and source tarball as artifacts
 
-name: Build pacakge
+name: Build package
 
 on:
   workflow_dispatch:
diff --git a/.github/workflows/linux-build-test-gc.yml b/.github/workflows/linux-build-test-gc.yml
index b2f0a9d..50c1129 100644
--- a/.github/workflows/linux-build-test-gc.yml
+++ b/.github/workflows/linux-build-test-gc.yml
@@ -18,7 +18,7 @@ permissions:
   contents: read
 
 jobs:
-  test-ubuntu-22.04:
+  test-ubuntu-22_04:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
     - name: Test with pytest (graphcut test only)
       run: cd tests && pytest graphcut_/*
 
-  test-ubuntu-20.04:
+  test-ubuntu-20_04:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v4