fix(docs): 'pacakge' -> 'package'

Author: t3hmrman

docs/lib/content/configuring-npm/package-json.md

@@ -621,7 +621,7 @@ See [semver](https://github.com/npm/node-semver#versions) for more details about
 * `tag` A specific version tagged and published as `tag`  See [`npm
   dist-tag`](/commands/npm-dist-tag)
 * `path/path/path` See [Local Paths](#local-paths) below
-* `npm:@scope/pkg@version` Custom alias for a pacakge See [`package-spec`](/using-npm/package-spec#aliases) 
+* `npm:@scope/pkg@version` Custom alias for a package See [`package-spec`](/using-npm/package-spec#aliases) 
 
 For example, these are all valid: