Merge pull request #4924 from Torinde/patch-5

Update INSTALL.md - clarify "high-sierra" is the low-end build for macOS

INSTALL.md

@@ -133,7 +133,7 @@ If you see the message ```"dosbox-x" is damaged and can't be opened``` when tryi
 
 As of DOSBox-X version 0.83.16, the regular macOS builds listed above will run on macOS Catalina (10.15) or later; they include features such as Slirp, FluidSynth and FFmpeg by default and bundle dylib libraries needed for such features.
 
-If you have an older macOS version such as macOS High Sierra (10.13) and Mojave (10.14), or you use a newer macOS version but do not need any additional features provided by external libraries such as libslirp or libfluidsynth, you can use the alternative macOS builds below instead, which include both SDL1 and SDL2 versions of the DOSBox-X (named ``dosbox-x-sdl1`` and ``dosbox-x-sdl2`` respectively in the package). These are intended to be builds for "low-end" systems with no need for external libraries to run them in your macOS. Latest such build is [2022.09.0 (0.84.3)](https://github.com/joncampbell123/dosbox-x/releases/tag/dosbox-x-v0.84.3).
+If you have an older macOS version such as macOS High Sierra (10.13) and Mojave (10.14), or you use a newer macOS version but do not need any additional features provided by external libraries such as libslirp or libfluidsynth, you can use the alternative macOS builds below instead, which include both SDL1 and SDL2 versions of the DOSBox-X (named ``dosbox-x-sdl1`` and ``dosbox-x-sdl2`` respectively in the package). These "high-sierra" builds are intended for "low-end" systems with no need for external libraries to run them in your macOS. Latest such build is [2022.09.0 (0.84.3)](https://github.com/joncampbell123/dosbox-x/releases/tag/dosbox-x-v0.84.3).
 
 If you see the message ```"dosbox-x" is damaged and can't be opened``` when trying to run the above builds, you should be able to solve the problem by executing the following command (once) in the Terminal and you are in the directory in which the zip package is extracted (where you can find two files including ```dosbox-x-sdl1``` and ```dosbox-x-sdl2```):