[clang] Fix a typo in InternalsManual: ActOnCXX -> ActOnXXX (PR #105207)

[Michael Park via cfe-commits]

https://github.com/mpark created https://github.com/llvm/llvm-project/pull/105207

This part of the manual describes uses of `ActOnXXX` and `BuildXXX`.

>From 524de01a9759a5f9ba0cad67f8351405fbfa37db Mon Sep 17 00:00:00 2001
From: Michael Park <mcypark at gmail.com>
Date: Tue, 20 Aug 2024 10:59:03 -0700
Subject: [PATCH] Fix a typo in InternalsManual: ActOnCXX -> ActOnXXX

---
 clang/docs/InternalsManual.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/InternalsManual.rst b/clang/docs/InternalsManual.rst
index 3d21e37784b363..b70ec35f3da229 100644
--- a/clang/docs/InternalsManual.rst
+++ b/clang/docs/InternalsManual.rst
@@ -3200,7 +3200,7 @@ are similar.
    always involve two functions: an ``ActOnXXX`` function that will be called
    directly from the parser, and a ``BuildXXX`` function that performs the
    actual semantic analysis and will (eventually!) build the AST node.  It's
-   fairly common for the ``ActOnCXX`` function to do very little (often just
+   fairly common for the ``ActOnXXX`` function to do very little (often just
    some minor translation from the parser's representation to ``Sema``'s
    representation of the same thing), but the separation is still important:
    C++ template instantiation, for example, should always call the ``BuildXXX``