diff --git a/.github/workflows/check-standard.yaml b/.github/workflows/check-standard.yaml
index 1ba65af..d0fbfa8 100644
--- a/.github/workflows/check-standard.yaml
+++ b/.github/workflows/check-standard.yaml
@@ -24,7 +24,7 @@ jobs:
         config:
           - {os: windows-latest, r: 'release'}
           - {os: macOS-latest, r: 'release'}
-	  - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
 #          - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
 #          - {os: ubuntu-20.04, r: 'devel', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
 
@@ -39,8 +39,8 @@ jobs:
       - uses: r-lib/actions/setup-r@master
         with:
           r-version: ${{ matrix.config.r }}
-	  http-user-agent: ${{ matrix.config.http-user-agent }}
-	  use-public-rspm: true
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
 	  
       - uses: r-lib/actions/setup-pandoc@master