diff --git a/src/Bot/CustomCommand.hs b/src/Bot/CustomCommand.hs
index f190f63..4adb912 100644
--- a/src/Bot/CustomCommand.hs
+++ b/src/Bot/CustomCommand.hs
@@ -8,6 +8,7 @@ module Bot.CustomCommand
   , updateCustomCommand
   , showCustomCommand
   , timesCustomCommand
+  , CustomCommand(..)
   ) where
 
 import Bot.Expr
@@ -55,6 +56,7 @@ customCommandByName name =
   fmap listToMaybe $
   selectEntities Proxy $ Filter (PropertyEquals "name" $ PropertyText name) All
 
+-- TODO(#815): CRUD custom command should update help page now they're listed there as well.
 addCustomCommand :: CommandTable -> Reaction Message (T.Text, T.Text)
 addCustomCommand builtinCommands =
   Reaction $ \Message {messageSender = sender, messageContent = (name, message)} -> do
diff --git a/src/Bot/Help.hs b/src/Bot/Help.hs
index 570270d..be9e799 100644
--- a/src/Bot/Help.hs
+++ b/src/Bot/Help.hs
@@ -8,6 +8,7 @@ module Bot.Help
   , startRefreshHelpGistTimer
   ) where
 
+import Bot.CustomCommand
 import Bot.GitHub
 import Bot.Replies
 import Command
@@ -71,18 +72,39 @@ refreshHelpGistId =
   cmapR (const "Scheduled to refresh the Help Gist Page") $
   Reaction replyMessage
 
-gistRenderBuiltinCommand :: (T.Text, BuiltinCommand) -> T.Text
-gistRenderBuiltinCommand (name, command) =
-  [qms||{name}|{bcDescription command}|{bcGitHubLocation command}||]
-
 gistRenderCommandTable :: CommandTable -> T.Text
-gistRenderCommandTable = T.unlines . map gistRenderBuiltinCommand . M.toList
+gistRenderCommandTable =
+  ([qms|* Builtin Commands\n{header}\n|-\n|] <>) .
+  T.unlines . map renderRow . M.toList
+  where
+    header :: T.Text
+    header = "|Name|Description|Location|"
+    renderRow :: (T.Text, BuiltinCommand) -> T.Text
+    renderRow (name, command) =
+      [qms||{name}|{bcDescription command}|{location}||]
+      where
+        location :: T.Text
+        location = [qms|[[{bcGitHubLocation command}][Source↗]]|]
+
+gistRenderCustomCommandsTable :: [Entity CustomCommand] -> T.Text
+gistRenderCustomCommandsTable =
+  ([qms|* Custom commands\n{header}\n|-\n|] <>) .
+  T.unlines . map (renderRow . entityPayload)
+  where
+    header :: T.Text
+    header = "|Name|Definition|%times|"
+    renderRow (CustomCommand name message times) =
+      [qms||{name}|{message}|{times}||]
 
--- TODO(#649): Help Gist Page does not include CustomCommands
 refreshHelpGist :: CommandTable -> GistId -> Effect ()
 refreshHelpGist commandTable gistId = do
-  let gistText = gistRenderCommandTable commandTable
-  updateGistFile helpGistFileName (FileContent gistText) gistId
+  customsList <- selectEntities Proxy All
+  updateGistFile
+    helpGistFileName
+    (FileContent
+       (gistRenderCommandTable commandTable <> "\n" <>
+        gistRenderCustomCommandsTable customsList))
+    gistId
 
 startRefreshHelpGistTimer :: CommandTable -> Effect ()
 startRefreshHelpGistTimer commandTable =