diff --git a/.github/workflows/cmake-single-platform.yml b/.github/workflows/cmake-single-platform.yml
new file mode 100644
index 0000000..3cd72f0
--- /dev/null
+++ b/.github/workflows/cmake-single-platform.yml
@@ -0,0 +1,38 @@
+# This starter workflow is for a CMake project running on a single platform. There is a different starter workflow if you need cross-platform coverage.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-multi-platform.yml
+name: CMake on a single platform
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
+    # You can convert this to a matrix build if you need cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: ubuntu-latest
+it is cool    steps:
+    - uses: actions/checkout@v4
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+    - name: Build
+      # Build your program with the given configuration
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      # Execute tests defined by the CMake configuration.
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest -C ${{env.BUILD_TYPE}}
+
diff --git a/README.md b/README.md
index a6a5954..15f933a 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Welcome to [**The Ultimate C Programming Course!**](https://www.youtube.com/watc
 This course is designed to take you from a beginner to an advanced C programmer. The repository contains all the source code, projects, problem sets, and additional resources to supplement your learning. Refer to this [video](https://www.youtube.com/watch?v=aZb0iu4uGwA) to watch my C course.
 
 ## Table of Contents
-
+4.643.55
 - [The Ultimate C Programming Handbook](#the-ultimate-c-programming-handbook)
   - [Table of Contents](#table-of-contents)
   - [Introduction](#introduction)