docs: correct links

Update links to reflect where the pages actually are.

docs/content/commands/npm-link.md

@@ -29,7 +29,7 @@ of the current folder.
 Note that `package-name` is taken from `package.json`,
 not from directory name.
 
-The package name can be optionally prefixed with a scope. See [`scope`](/using-npm/npm-scope).
+The package name can be optionally prefixed with a scope. See [`scope`](/using-npm/scope).
 The scope must be preceded by an @-symbol and followed by a slash.
 
 When creating tarballs for `npm publish`, the linked packages are
@@ -72,7 +72,7 @@ installation target into your project's `node_modules` folder.
 Note that in this case, you are referring to the directory name, `node-redis`,
 rather than the package name `redis`.
 
-If your linked package is scoped (see [`scope`](/using-npm/npm-scope)) your link command must include that scope, e.g.
+If your linked package is scoped (see [`scope`](/using-npm/scope)) your link command must include that scope, e.g.
 
 ```bash
 npm link @myorg/privatepackage

docs/content/commands/npm-logout.md

@@ -36,7 +36,7 @@ it takes precedence.
 
 Default: The scope of your current project, if any, otherwise none.
 
-If specified, you will be logged out of the specified scope. See [`scope`](/using-npm/npm-scope).
+If specified, you will be logged out of the specified scope. See [`scope`](/using-npm/scope).
 
 ```bash
 npm logout --scope=@myco

docs/content/commands/npm-publish.md

@@ -22,7 +22,7 @@ files in the package directory are included if no local `.gitignore` or
 [`developers`](/using-npm/developers) for full details on what's included in the published package, as well as details on how the package is built.
 
 By default npm will publish to the public registry. This can be overridden by
-specifying a different default registry or using a [`scope`](/using-npm/npm-scope) in the name (see [`package.json`](/configuring-npm/package-json)).
+specifying a different default registry or using a [`scope`](/using-npm/scope) in the name (see [`package.json`](/configuring-npm/package-json)).
 
 * `<folder>`:
   A folder containing a package.json file

docs/content/commands/npm.md

@@ -85,7 +85,7 @@ If you're using npm to develop and publish your code, check out the
 following help topics:
 
 * json:
-  Make a package.json file.  See [`package.json`](/configuring-npm/package.json).
+  Make a package.json file.  See [`package.json`](/configuring-npm/package-json).
 * link:
   For linking your current working code into Node's path, so that you
   don't have to reinstall every time you make a change.  Use