Using only one Mibbit link for access the two channels

Author: tyoc213

src/doc/book/getting-started.md

@@ -164,17 +164,15 @@ installed. Doing so will depend on your specific system, consult its
 documentation for more details.
 
 If not, there are a number of places where we can get help. The easiest is
-[the #rust-beginners IRC channel on irc.mozilla.org][irc-beginners], which we
-can access through [Mibbit][mibbit-beginners] and for general discussion
-[the #rust IRC channel on irc.mozilla.org][irc], which we can access through
-[Mibbit][mibbit]. Then we'll be chatting with other Rustaceans (a silly
-nickname we call ourselves) who can help us out. Other great resources include
-[the user’s forum][users], and [Stack Overflow][stackoverflow].
+[the #rust-beginners IRC channel on irc.mozilla.org][irc-beginners] and for
+general discussion [the #rust IRC channel on irc.mozilla.org][irc], which we
+can access through [Mibbit][mibbit]. Then we'll be chatting with other
+Rustaceans (a silly nickname we call ourselves) who can help us out. Other great
+resources include [the user’s forum][users] and [Stack Overflow][stackoverflow].
 
 [irc-beginners]: irc://irc.mozilla.org/#rust-beginners
-[mibbit-beginners]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-beginners
 [irc]: irc://irc.mozilla.org/#rust
-[mibbit]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust
+[mibbit]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-beginners,%23rust
 [users]: https://users.rust-lang.org/
 [stackoverflow]: http://stackoverflow.com/questions/tagged/rust