Update frontend.rst

Author: ThomasLandauer

frontend.rst

@@ -37,7 +37,7 @@ Supports TypeScript               :ref:`yes <asset-mapper-ts>`        yes
 Removes comments from JavaScript  no                                  yes
 Removes comments from CSS         no                                  no :ref:`[2] <ux-note-2>`
 Versioned assets                  always                              optional
-Updater for 3rd party packages    yes                                 yes :ref:`[3] <ux-note-3>`
+Can update 3rd party packages     yes                                 yes :ref:`[3] <ux-note-3>`
 ================================  ==================================  ==========
 
 .. _ux-note-1:
@@ -53,7 +53,7 @@ be executed by a browser.
 
 .. _ux-note-3:
 
-**[3]** Via NPM.
+**[3]** Update checkers are available for NPM, e.g. `npm-check`.
 
 .. _frontend-asset-mapper: