Typo in error message
diff --git a/Modules/_struct.c b/Modules/_struct.c
index 12fec2c..01e24bb 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -646,7 +646,7 @@
 		return -1;
 	if (x < 0 || x > USHRT_MAX){
 		PyErr_SetString(StructError,
-				"short format requires 0 <= number <= " STRINGIFY(USHRT_MAX));
+				"ushort format requires 0 <= number <= " STRINGIFY(USHRT_MAX));
 		return -1;
 	}
 	y = (unsigned short)x;