diff -ur -x detex.c detex-2.8.orig/detex.l detex-2.8/detex.l
--- detex-2.8.orig/detex.l	2013-06-28 14:46:12.000000000 +0200
+++ detex-2.8/detex.l	2014-08-20 09:56:40.115740053 +0200
@@ -592,7 +592,7 @@
 	(void) strcpy(sb, sbEnvList);
 	csbEnvIgnore = SeparateList(sb, rgsbEnvIgnore, CHENVSEP, MAXENVS);
 	if (csbEnvIgnore == my_ERROR)
-	    ErrorExit("The environtment list contains too many environments");
+	    ErrorExit("The environment list contains too many environments");
 }
 
 /******
