diff --git a/configure.in b/configure.in
index 93f007ef6ce6d887762646291f704e712dd5fc95..cbff749c535f8af40b553cf2f6035f08ff23240d 100644
--- a/configure.in
+++ b/configure.in
@@ -402,6 +402,7 @@ CheckDiskAudio()
 }
 
 dnl See if we can use x86 assembly blitters
+# NASM is available from: http://nasm.octium.net/
 CheckNASM()
 {
     dnl Make sure we are running on an x86 platform