diff --git a/doc/README.developer b/doc/README.developer
index ad094e70ef..2295af5e77 100644
--- a/doc/README.developer
+++ b/doc/README.developer
@@ -1086,6 +1086,20 @@ proto_reg_handoff_PROTOABBREV(void)
 #endif
 
 
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
+
+
 ------------------------------------Cut here------------------------------------
 
 1.3 Explanation of needed substitutions in code skeleton.