- "Toggle `nroff-electric-newline' minor mode.
-`nroff-electric-newline' forces Emacs to check for an nroff request at the
-beginning of the line, and insert the matching closing request if necessary.
-This command toggles that mode (off->on, on->off), with an argument,
-turns it on if arg is positive, otherwise off."
+ "Toggle automatic nroff request pairing (Nroff Electric mode).
+With a prefix argument ARG, enable Nroff Electric mode if ARG is
+positive, and disable it otherwise. If called from Lisp, enable
+the mode if ARG is omitted or nil.
+
+Nroff Electric mode is a buffer-local minor mode, for use with
+`nroff-mode'. When enabled, Emacs checks for an nroff request at
+the beginning of the line, and inserts the matching closing
+request if necessary. This command toggles that mode (off->on,
+on->off), with an argument, turns it on if arg is positive,
+otherwise off."