fix typos

docs/README-android.md

@@ -299,7 +299,7 @@ e.g.
 
                You have access to the OpenGL context or rendering API at this point.
                However, there's a chance (on older hardware, or on systems under heavy load),
-               where the graphics context can not be restored. You should listen for the
+               where the graphics context cannot be restored. You should listen for the
                event SDL_EVENT_RENDER_DEVICE_RESET and recreate your OpenGL context and
                restore your textures when you get it, or quit the app.
             */
@@ -358,7 +358,7 @@ To enable/disable this behavior, see SDL_hints.h:
 Misc
 ================================================================================
 
-For some device, it appears to works better setting explicitly GL attributes
+For some devices, it appears to work better setting explicitly GL attributes
 before creating a window:
   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);