diff --git a/Doc/myformat.sty b/Doc/myformat.sty
index b78a642eaf8..20a83ba06a7 100644
--- a/Doc/myformat.sty
+++ b/Doc/myformat.sty
@@ -614,3 +614,6 @@
   }
   \typeout{Using fancy chapter headings.}
 }
+
+% Tell TeX about pathological hyphenation cases:
+\hyphenation{Base-HTTP-Re-quest-Hand-ler}