Minor comment nit.

Author: jdalton

src/shadow/npm-injection.ts

@@ -2,6 +2,6 @@ import { shadowBinPath } from '../constants'
 import { installSafeArborist } from './arborist'
 import { installLinks } from './link'
 
-// shadow `npm` and `npx` to mitigate subshells
+// Shadow `npm` and `npx` to mitigate subshells.
 installLinks(shadowBinPath, 'npm')
 installSafeArborist()