diff --git a/doc/mainpage.dox b/doc/mainpage.dox
index f78f6d12e..04882235f 100644
--- a/doc/mainpage.dox
+++ b/doc/mainpage.dox
@@ -65,7 +65,7 @@ keep the library as consistent and maintainable as possible.
 -   Project homepage --- https://magnum.graphics/
 -   Documentation --- https://doc.magnum.graphics/
 -   GitHub --- https://github.com/mosra/magnum and the
-    [#magnum](https://github.com/topics/magnum) topic
+    [\#magnum](https://github.com/topics/magnum) topic
 -   GitLab --- https://gitlab.com/mosra/magnum
 -   Gitter community chat --- https://gitter.im/mosra/magnum
 -   E-mail --- info@magnum.graphics