docs: fix grammar in preload tutorial summary (#45558)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Josh Jancourtz <[email protected]>

docs/tutorial/tutorial-3-preload.md

@@ -252,7 +252,7 @@ apps often use the preload script to set up inter-process communication (IPC) in
 to pass arbitrary messages between the two kinds of processes.
 
 In the next part of the tutorial, we will be showing you resources on adding more
-functionality to your app, then teaching you distributing your app to users.
+functionality to your app, then teaching you how to distribute your app to users.
 
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