diff --git a/.github/workflows/example-6.yml b/.github/workflows/example-6.yml
index 6c20d476..a8972dd5 100644
--- a/.github/workflows/example-6.yml
+++ b/.github/workflows/example-6.yml
@@ -50,9 +50,10 @@ jobs:
         with:
           miniforge-variant: Miniforge3
           # Use an old Miniforge (without conda-libmamba-solver) to allow updates to mamba v2.
-          # Set the solver to classic for those too. This can be removed when 
+          # Set the solver to classic for those too. This can be removed when
           # conda-libmamba-solver is released with libmamba v2 compatibility.
-          miniforge-version: ${{ matrix.mamba-version == '2' && '23.1.0-0' || 'latest' }}
+          miniforge-version:
+            ${{ matrix.mamba-version == '2' && '23.1.0-0' || 'latest' }}
           solver: ${{ matrix.mamba-version == '2' && 'classic' || 'libmamba' }}
           python-version: "3.11"
           mamba-version: ${{ matrix.mamba-version }}