Update README.md

Author: ChrisRackauckas

README.md

@@ -313,7 +313,7 @@ xx, yy = mxcall(:meshgrid, 2, x, y)
 
 #### Viewing the MATLAB Session
 
-To open an interactive window for the MATLAB session, use the command `show_msession()`. To hide the window, use `hide_msession()`. Note that closing this window will result in a errors, so it is advised that one uses the `hide_msession()` command instead.
+To open an interactive window for the MATLAB session, use the command `show_msession()`. To hide the window, use `hide_msession()`. Note that closing this window will result in an error, so it is advised that one uses the `hide_msession()` command instead.
 
 Note that this feature only works on Windows.