diff --git a/README.md b/README.md
index 06685ef..3077cc6 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,26 @@ For example `One number: {:08}; And another one: {:05.3}` is preprocessed into `
 This is returned as a `std::array<char, N>`, where `N` is automatically evaluated. The only code executed at compile
 time then formats the numbers and writes them into their place in the array.
 
-Disclaimer: The actual formatting code is largely shamelessly stolen from `fmtlib`.
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+Disclaimer: The actual formatting code is largely shamelessly stolen from `fmtlib`.
+
+## Building and running the tests
+
+1. Initialize the `googletest` framework submodule
+```bash
+$ git submodule update --init
+```
+
+2. Create the build directory
+```bash
+$ cmake -B build -S .
+```
+
+3. Build the project
+```bash
+$ cmake --build build/
+```
+
+4. Run the tests
+```bash
+$ ctest --test-dir build/
+```
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