diff --git a/content/code/00_hello-world/cxx/.DS_Store b/content/code/00_hello-world/cxx/.DS_Store
deleted file mode 100644
index 751c1c6..0000000
Binary files a/content/code/00_hello-world/cxx/.DS_Store and /dev/null differ
diff --git a/content/hello-cmake.rst b/content/hello-cmake.rst
index 7ea9be8..8e07a04 100644
--- a/content/hello-cmake.rst
+++ b/content/hello-cmake.rst
@@ -94,13 +94,13 @@ Hello, CMake!
 
       .. code-block:: bash
 
-         $ cmake -S. -Bbuild
+         cmake -S. -Bbuild
 
    6. And finally build our executable:
 
       .. code-block:: bash
 
-         $ cmake --build build
+         cmake --build build