man pages: s/FFmpeg/multimedia/g

doc/man/man1/notcurses-demo.1.md

@@ -88,7 +88,7 @@ non-free under the Debian Free Software Guidelines. As a result, the
 **chunli**, **eagle**, **jungle**, **luigi**, and **view** demos
 are unavailable through the Debian package.
 
-If notcurses is built without FFmpeg, the **chunli**, **eagle**,
+If notcurses is built without multimedia support, the **chunli**, **eagle**,
 **outro**, **view**, and **xray** demos will be unavailable. If notcurses is
 built without libqrcodegen, the **qrcode** demo will be unavailable.
 

doc/man/man1/notcurses-view.1.md

@@ -12,7 +12,7 @@ notcurses-view - Render images and video to the console
 
 # DESCRIPTION
 
-**notcurses-view** uses the FFmpeg libraries and notcurses to render images
+**notcurses-view** uses a multimedian-enabled notcurses to render images
 and videos to the terminal. Media will be scaled to the terminal's size.
 
 # OPTIONS