Fixed a typo.

Author: TheSharpOwl

CMakeLists.txt

@@ -31,7 +31,7 @@ if (NOT CMAKE_CXX_FLAGS)
         set(CMAKE_CXX_FLAGS "-Wall")
     endif()
 endif()
-# Use c++17
+# Use C++17
 set(CMAKE_CXX_STANDARD 17)
 
 # Set output directories