Improve "Enable Hotkeys" description.

Fixes issue 4607.

Source/Core/DolphinWX/Src/VideoConfigDiag.cpp

@@ -115,7 +115,7 @@ wxString crop_desc = wxTRANSLATE("Crop the picture from 4:3 to 5:4 or from 16:9
 wxString opencl_desc = wxTRANSLATE("[EXPERIMENTAL]\nAims to speed up emulation by offloading texture decoding to the GPU using the OpenCL framework.\nHowever, right now it's known to cause texture defects in various games. Also it's slower than regular CPU texture decoding in most cases.\n\nIf unsure, leave this unchecked.");
 wxString dlc_desc = wxTRANSLATE("[EXPERIMENTAL]\nSpeeds up emulation a bit by caching display lists.\nPossibly causes issues though.\n\nIf unsure, leave this unchecked.");
 wxString omp_desc = wxTRANSLATE("Use multiple threads to decode textures.\nMight result in a speedup (especially on CPUs with more than two cores).\n\nIf unsure, leave this unchecked.");
-wxString hotkeys_desc = wxTRANSLATE("Allows toggling certain options via the hotkeys 3, 4, 5 and 6 within the emulation window.\n\nIf unsure, leave this unchecked.");
+wxString hotkeys_desc = wxTRANSLATE("Allows toggling certain options via the hotkeys 3 (Internal Resolution), 4 (Aspect Ratio), 5 (Copy EFB) and 6 (Fog) within the emulation window.\n\nIf unsure, leave this unchecked.");
 wxString ppshader_desc = wxTRANSLATE("Apply a post-processing effect after finishing a frame.\n\nIf unsure, select (off).");
 wxString cache_efb_copies_desc = wxTRANSLATE("Slightly speeds up EFB to RAM copies by sacrificing emulation accuracy.\nSometimes also increases visual quality.\nIf you're experiencing any issues, try raising texture cache accuracy or disable this option.\n\nIf unsure, leave this unchecked.");
 wxString shader_errors_desc = wxTRANSLATE("Usually if shader compilation fails, an error message is displayed.\nHowever, one may skip the popups to allow interruption free gameplay by checking this option.\n\nIf unsure, leave this unchecked.");