doc: escape hash character

6 years ago · cafafd5744
1 changed files with 1 additions and 1 deletions
--- a/doc/doxygen/src/mainpage.md
+++ b/doc/doxygen/src/mainpage.md
@ -43,7 +43,7 @@ RIOT is developed by an open community that anyone is welcome to join:
 - Follow us on [Twitter](https://twitter.com/RIOT_OS) for news from the RIOT
   community.
 - Contact us on IRC for live support and discussions:
-   [irc.freenode.org #riot-os](irc://irc.freenode.org/riot-os)
+   [irc.freenode.org \#riot-os](irc://irc.freenode.org/riot-os)


 The quickest start                                        {#the-quickest-start}