From c68f0f04d0e0966905388447fba871fd1f335e71 Mon Sep 17 00:00:00 2001
From: "trop[bot]" <37223003+trop[bot]@users.noreply.github.com>
Date: Tue, 5 Jan 2021 17:19:19 +0900
Subject: [PATCH] docs: document frameId meaning (#27189)

Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
---
 docs/api/web-contents.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/api/web-contents.md b/docs/api/web-contents.md
index 52504901c468b..757f7c428c7fe 100644
--- a/docs/api/web-contents.md
+++ b/docs/api/web-contents.md
@@ -1622,7 +1622,9 @@ app.whenReady().then(() => {
 
 #### `contents.sendToFrame(frameId, channel, ...args)`
 
-* `frameId` Integer | [number, number]
+* `frameId` Integer | [number, number] - the ID of the frame to send to, or a
+  pair of `[processId, frameId]` if the frame is in a different process to the
+  main frame.
 * `channel` String
 * `...args` any[]