-Emacs normally only reads the @file{.mailrc} file once per session,
-when you start to compose your first mail message. If you edit
-@file{.mailrc}, you can type @kbd{M-: (build-mail-aliases) @key{RET}} to
-make Emacs reread @file{~/.mailrc}.
+Emacs normally only reads the @file{.mailrc} file once per session, when
+you start to compose your first mail message. If you edit the file
+after this, you can use @kbd{M-x build-mail-aliases} to make Emacs
+reread it. Prior to Emacs 24.1, this is not an interactive command, so
+you must instead type @kbd{M-: (build-mail-aliases) @key{RET}}.