diff --git a/includes/powder.h b/includes/powder.h
index 123ca455e..2f68526e9 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -426,7 +426,7 @@ static const part_type ptypes[PT_NUM] =
     {"GNAR",	PIXPACK(0xE5B73B),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B1/S1", TYPE_SOLID|PROP_LIFE, NULL},
     {"REPL",	PIXPACK(0x259588),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B1357/S1357", TYPE_SOLID|PROP_LIFE, NULL},
     {"MYST",	PIXPACK(0x0C3C00),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B3458/S05678", TYPE_SOLID|PROP_LIFE, NULL},
-    {"BOYL",	PIXPACK(0x0A3200),	1.0f,	0.01f * CFDS,	0.99f,	0.30f,	-0.1f,	0.0f,	0.18f,	0.000f	* CFDS,	0,	0,	0,	0,	1,	1,	1,		SC_GAS,			R_TEMP+2.0f	+273.15f,	42,		"Rawr", TYPE_GAS, NULL},
+    {"BOYL",	PIXPACK(0x0A3200),	1.0f,	0.01f * CFDS,	0.99f,	0.30f,	-0.1f,	0.0f,	0.18f,	0.000f	* CFDS,	0,	0,	0,	0,	1,	1,	1,		SC_GAS,			R_TEMP+2.0f	+273.15f,	42,		"Boyle, variable pressure gas. Expands when heated.", TYPE_GAS, NULL},
     //Name		Colour		Advec	Airdrag		Airloss	Loss	Collid	Grav	Diffus	Hotair		Fal	Burn		Exp	Mel	Hrd	M	Weights	Section			H						Ins		Description
 };