Update npm-link.md

Fix typo.

PR-URL: #1283
Credit: @peterfich
Close: #1283
Reviewed-by: @claudiahdz

Author: peterfich

docs/content/cli-commands/npm-link.md

@@ -86,7 +86,7 @@ npm link @myorg/privatepackage
 
 * [npm developers](/using-npm/developers)
 * [package.json](/configuring-npm/package-json)
-* [npm- nstall](/cli-commands/npm-install)
+* [npm install](/cli-commands/npm-install)
 * [npm folders](/configuring-npm/folders)
 * [npm config](/cli-commands/npm-config)
 * [npmrc](/configuring-npm/npmrc)