diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 25f3fb206..7fb744fe6 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -41,3 +41,19 @@ jobs:
     - name: test
       working-directory: ${{github.workspace}}/bld
       run: ctest -C ${{env.BUILD_TYPE}}
+  
+  windows:
+    runs-on: windows-latest
+    
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: configure 
+      run: cmake -B ${{github.workspace}}/bld -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DWITH_TESTS=1
+
+    - name: build
+      run: cmake --build ${{github.workspace}}/bld --config ${{env.BUILD_TYPE}}
+
+    - name: test
+      working-directory: ${{github.workspace}}/bld
+      run: ctest -C ${{env.BUILD_TYPE}}
diff --git a/src/ACA/FeatureFromBlock.cpp b/src/ACA/FeatureFromBlock.cpp
index 1f414df39..be39e9c6f 100644
--- a/src/ACA/FeatureFromBlock.cpp
+++ b/src/ACA/FeatureFromBlock.cpp
@@ -674,6 +674,8 @@ class CFeatureSpectralRolloff : public CFeatureFromBlockIf
     float m_fKappa = 0.85F; //!< bandwidth parameter
 };
 
+/*! \brief class for computation of the tonal power ratio
+*/
 class CFeatureSpectralTonalPowerRatio : public CFeatureFromBlockIf
 {
 public: