wip: docs fix

docs/content/commands/npm-pkg.md

@@ -25,7 +25,7 @@ from the registry manifest, below you can find more examples on how to use it.
 
 Returned values are always in **json** format.
 
-* `npm get <field>`
+* `npm pkg get <field>`
 
     Retrieves a value `key`, defined in your `package.json` file.
 
@@ -65,7 +65,7 @@ Returned values are always in **json** format.
     npm pkg get contributors[0].email
     ```
 
-* `npm set <field>=<value>`
+* `npm pkg set <field>=<value>`
 
     Sets a `value` in your `package.json` based on the `field` value. When
     saving to your `package.json` file the same set of rules used during
@@ -106,7 +106,7 @@ Returned values are always in **json** format.
     npm pkg set private=true --pkg-type=boolean
     ```
 
-* `npm delete <key>`
+* `npm pkg delete <key>`
 
     Deletes a `key` from your `package.json`