Fix info on calling dot
@@ -658,7 +658,7 @@ class GLRParser(Parser):
prints("Generated file {}.".format(file_name))
prints("You can use dot viewer or generate pdf with the "
"following command:")
- h_print("dot -Tpdf {0} -O {0}.pdf".format(file_name))
+ h_print("dot -Tpdf -O {}".format(file_name))
class Parent:
