diff --git a/doc/general.texi b/doc/general.texi
index 423402ca4e..edd5e60cc3 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -784,9 +784,9 @@ to configure.
 BSD make will not build Libav, you need to install and use GNU Make
 (@file{gmake}).
 
-@subsubsection FreeBSD
+@subsubsection FreeBSD, DragonFly BSD
 
-FreeBSD will not compile out-of-the-box due to broken system headers.
+These systems will not compile out-of-the-box due to broken system headers.
 Passing @code{--extra-cflags=-D__BSD_VISIBLE} to configure will work
 around the problem. This may have unexpected sideeffects, so use it at
 your own risk. If you care about FreeBSD, please make an attempt at