SDL: Sync SDL3 wiki -> header (67542)

From 675423f09645cc3f54a5811b256e08806b56c0a6 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Fri, 1 Dec 2023 06:39:09 +0000
Subject: [PATCH] Sync SDL3 wiki -> header

---
 docs/README-main-functions.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/README-main-functions.md b/docs/README-main-functions.md
index 40908bfdde9c..a9d8fca54973 100644
--- a/docs/README-main-functions.md
+++ b/docs/README-main-functions.md
@@ -51,7 +51,7 @@ program.
 
 If for some reason you need to include SDL_main.h in a file but also _don't_
 want it to generate this platform-specific code, you should define a special
-macro before includin the header:
+macro before including the header:
 
 
 ```c