doc: fixed typo in n-api.md

PR-URL: nodejs#38822
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

doc/api/n-api.md

@@ -32,7 +32,7 @@ properties:
   using `napi_get_last_error_info`. More information can be found in the error
   handling section [Error handling][].
 
-Node-API-API is a C API that ensures ABI stability across Node.js versions
+Node-API is a C API that ensures ABI stability across Node.js versions
 and different compiler levels. A C++ API can be easier to use.
 To support using C++, the project maintains a
 C++ wrapper module called [`node-addon-api`][].