parse a variant of value constraint
diff --git a/libasn1parser/asn1p_l.l b/libasn1parser/asn1p_l.l
index 4317d5b..7757216 100644
--- a/libasn1parser/asn1p_l.l
+++ b/libasn1parser/asn1p_l.l
@@ -160,7 +160,7 @@
 
 	"::="	{
 			fprintf(stderr,
-				"ASN.1 Parser syncronization failure: "
+				"ASN.1 Parser synchronization failure: "
 				"\"%s\" at line %d must not appear "
 				"inside value definition\n",
 				yytext, yylineno);