--- glTexEnv.3gl-orig	2006-12-20 04:17:24.000000000 -0500
+++ glTexEnv.3gl	2006-12-20 04:18:18.000000000 -0500
@@ -166,7 +166,7 @@
 When the \%\f3GL_ARB_multitexture\fP extension is supported, \%\f3glTexEnv\fP controls 
 the texture environment for the current active texture unit, selected by 
 \%\f3glActiveTextureARB\fP.
-.sh ERRORS
+.SH ERRORS
 \%\f3GL_INVALID_ENUM\fP is generated when \f2target\fP or \f2pname\fP is not
 one of the accepted defined values,
 or when \f2params\fP should have a defined constant value