Fix typo

Author: bandoti

examples/simple-cmake-pkg/README.md

@@ -25,7 +25,7 @@ cmake --install build --prefix inst
 ### Build simple-cmake-pkg
 
 ```sh
-cd examples\simple-cmake-pkg
+cd examples/simple-cmake-pkg
 mkdir build
 cmake -S . -B build -DCMAKE_PREFIX_PATH=../../inst/lib/cmake
 cmake --build build