diff --git a/src/Flags.hs b/src/Flags.hs
index ff32fd3..a5bc95b 100644
--- a/src/Flags.hs
+++ b/src/Flags.hs
@@ -85,6 +85,8 @@ helpInfo =
         , "  elm-make Main.elm --output main.html  # compile to HTML in main.html"
         , "  elm-make Main.elm --output elm.js     # compile to JS in elm.js"
         , "  elm-make Main.elm --warn              # compile and report warnings"
+        , "  elm-make Main.elm Secondary.elm       # compile both modules in index.html"
+        , "                                        # with a single runtime"
         , ""
         , "Full guide to using elm-make at <https://github.com/elm-lang/elm-make>"
         ]