comment has bad grammar

[georgiosdoumas]

LearnOpenGL/src/1.getting_started/1.1.hello_window/hello_window.cpp

Line 66 in 2eb1fcb

// process all input: query GLFW whether relevant keys are pressed/released this frame and react accordingly

query GLFW whether relevant keys are pressed/released this frame
maybe the comment should be :
query GLFW whether relevant keys are pressed/released inside this frame
but I am not sure what do you want to say!