2014-07-14: thanks to mark weaver.

thanks to mark weaver.

diff --git a/docs/srfi.org b/docs/srfi.org
--- a/docs/srfi.org
+++ b/docs/srfi.org
@@ -80,7 +80,8 @@ Remember, even if a proposal becomes an 
 
 ** Acknowledgments
 
-Thanks for lots of constructive discussions goes to Alan Manuel K. Gloria and David A. Wheeler.
+- Thanks for lots of constructive discussions goes to Alan Manuel K. Gloria and David A. Wheeler.
+- Also thanks to Mark Weaver for his help with the wisp parser and the guile integration - including a 20x speedup.
 
 * Related SRFIs