Simplify explanaiton of the Option key on Mac OS X

README.md

@@ -460,7 +460,7 @@ These are items relevant *only* on MacOS.
 
 - Copy output of any command to a desktop app with `pbcopy` and paste input from one with `pbpaste`.
 
-- To use enable use of the Option key in Mac OS Terminal as an alt key (such as used in the commands above like **alt-b**, **alt-f**, etc.), open Preferences -> Profiles -> Keyboard and select "Use Option as Meta key".
+- To enable the Option key in Mac OS Terminal as an alt key (such as used in the commands above like **alt-b**, **alt-f**, etc.), open Preferences -> Profiles -> Keyboard and select "Use Option as Meta key".
 
 - To open a file with a desktop app, use `open` or `open -a /Applications/Whatever.app`.