docs: fix typo acheived -> achieved

highs/HighsRun.md

@@ -32,7 +32,7 @@ There is still one action in`app/RunHighs.cpp` that should be performed in `High
 - Write out the presolved model
 
 These "HiGHS files" actions must only be performed at the "top level"
-of `Highs::run()`, and this is acheived by caching the file options in
+of `Highs::run()`, and this is achieved by caching the file options in
 the `Highs` class and clearing them from options_ so that they aren't
 applied at lower level calls to `Highs::run()`. They are then restored
 before returning from `Highs::run()`.
@@ -42,7 +42,7 @@ before returning from `Highs::run()`.
 User objective and/or bound scaling is performed before assessing
 whether there is excessive problem data and suggesting user objective
 and bound scaling. These user scaling actions must only be performed
-at the "top level" of `Highs::run()`, and this is acheived by caching
+at the "top level" of `Highs::run()`, and this is achieved by caching
 the user scaling options in the `Highs` class and clearing them from
 options_ so that they aren't applied at lower level calls to
 `Highs::run()`. If user scaling has been applied in a call to