diff --git a/help/acknowledgements.html b/help/acknowledgements.html
index f9008a98..a80ee731 100644
--- a/help/acknowledgements.html
+++ b/help/acknowledgements.html
@@ -10,7 +10,7 @@
 		<hr size="4">
 		<p>The team would like to thank the following people for their contributions:</p>
 		<p style="MARGIN-LEFT: 40px">Brian Broker: This HTML / CHM help file</p>
-		<p style="MARGIN-LEFT: 40px">Thomas Stahl: TV emulation mode</p>
+		<p style="MARGIN-LEFT: 40px">Thomas Stahl: Vertical blend in the 'Color (Composite Idealized)' video mode</p>
 		<p style="MARGIN-LEFT: 40px">Greg Hedger: SSI263 phoneme samples</p>
 		<p style="MARGIN-LEFT: 40px">Robert Hoem: Hard disk card (source module &amp; f/w)</p>
 		<p style="MARGIN-LEFT: 40px">VICE team: TFE, Z80, MC6821 PIA emulation modules (<a href="http://vice-emu.sourceforge.net/index.html#developers">http://vice-emu.sourceforge.net/index.html#developers</a>)<br>
@@ -28,6 +28,6 @@
 		<p style="MARGIN-LEFT: 40px">Alex Lukacz: 4Play & SNES MAX card support</p>
 		<p style="MARGIN-LEFT: 40px">Matthew D'Asaro: Game I/O Controller copy-protection dongle support</p>
 		<p style="MARGIN-LEFT: 40px">Erik Struiksma: SNES MAX controller mapping files</p>
-		<p style="MARGIN-LEFT: 40px">Xotmatrix: LFSR logic for the CodeWriter copy-protection dongle</p>
+		<p style="MARGIN-LEFT: 40px">John Leffingwell: LFSR logic for the CodeWriter copy-protection dongle</p>
 		</body>
 </html>