--- a/cpyBuf.h
+++ b/cpyBuf.h
@@ -16,7 +16,7 @@
 // Mass Ave, Cambridge, MA 02139, USA.
 
 /**
-* @file CypBuf.h
+* @file CpyBuf.h
 * This file is included in all four plug-ins (PTAdjust, PTCorrect, PTPerspect, and PTRemap)
 * It contains definitionas for functions for converting image buffers between photoshop and 
 * panotools internal formats.