diff --git a/AUTHORS b/AUTHORS
index 0054370..694f1e3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -38,6 +38,7 @@ N: Bill Currie
 E: bill@taniwha.org
 D: QW/Q1 tree merging
 D: Autoconf support and portability
+D: ALSA sound support
 
 N: Eric Windisch
 E: windisch@nni.com
@@ -140,3 +141,8 @@ D: Fix for SDL _windowed_mouse
 N: Pontus Lidman
 E: <pontus@lysator.liu.se>
 D: adding IPv6 support
+
+N: David Symonds
+E: xoxus@usa.net
+D: svgalib fixes
+D: warnings cleanup and XShm checking
diff --git a/CREDITS b/CREDITS
index c8f6b53..619b6d2 100644
--- a/CREDITS
+++ b/CREDITS
@@ -41,6 +41,7 @@ Sound cleanups:
   Ryan C. Gordon <ryan_gordon@hotmail.com>
   Marcus Sundberg <mackan@stacken.kth.se>
   Robert S. Elsner <sockman@ngfc.com>
+  Bill Currie <bill@taniwha.org>
 
 GL renderer fixes/optimizations:
   Zephaniah E. Hull <warp@whitestar.soark.net>
@@ -65,6 +66,7 @@ Documentation:
 
 Svgalib fixes/optimizations:
   Justin A. McCright <jam@qIj.damogran.org>
+  David Symonds <xoxus@usa.net>
 
 GGI support:
   Marcus Sundberg <mackan@stacken.kth.se>