diff --git a/fluid/fluid.cxx b/fluid/fluid.cxx
index 8c4df1e3c..78c236755 100644
--- a/fluid/fluid.cxx
+++ b/fluid/fluid.cxx
@@ -942,17 +942,17 @@ void show_help(const char *name) {
"the .cxx file so it still appears to be a single source file.
"
"
More information is available online at http://www.fltk.org/" + "\"https://www.fltk.org/doc-1.4/fluid.html\">https://www.fltk.org/" "