diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 776963e567..b8ec213d8b 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2122,7 +2122,9 @@ the machine where it is installed, without resorting to pre-built substitutes.
 Before building the library, CPU throttling should be disabled.  This can be
 done in the BIOS, or, on GNU/Linux, with the following command:
 
+@example
 # cpupower --governor performance
+@end example
 
 Failure to do so will result in a library with poor performance.")
     (license license:bsd-3)))