diff --git a/Completeness-CategoryVideo.md b/Completeness-CategoryVideo.md
index 38dacac..1659c9b 100644
--- a/Completeness-CategoryVideo.md
+++ b/Completeness-CategoryVideo.md
@@ -15,7 +15,7 @@
 | ☐ | SDL_GL_GetAttribute            | |
 | ☐ | SDL_GL_GetCurrentContext       | |
 | ☐ | SDL_GL_GetCurrentWindow        | |
-| ☐ | SDL_GL_GetDrawableSize         | |
+| ☑ | SDL_GL_GetDrawableSize         | Window::GetDrawableSize(), Window::GetDrawableWidth(), Window::GetDrawableHeight() |
 | ☐ | SDL_GL_GetProcAddress          | |
 | ☐ | SDL_GL_GetSwapInterval         | |
 | ☐ | SDL_GL_LoadLibrary             | |