diff --git a/docs/develop/ports/arm/urls.txt b/docs/develop/ports/arm/urls.txt
index 68a41c21f6..77deb4123c 100644
--- a/docs/develop/ports/arm/urls.txt
+++ b/docs/develop/ports/arm/urls.txt
@@ -9,3 +9,5 @@ http://www.devicetree.org/Device_Tree_Usage
 http://elinux.org/Device_Trees
 * OF
 http://www.openfirmware.info/Bindings
+* Floating Point; VFP
+https://wiki.debian.org/ArmHardFloatPort/VfpComparison