Updated file name in porting README.
diff --git a/docs/README-porting.md b/docs/README-porting.md
index f06f274..ef7521f 100644
--- a/docs/README-porting.md
+++ b/docs/README-porting.md
@@ -25,7 +25,7 @@
    If you're using an IDE or other non-configure build system, you'll probably

    want to create a custom SDL_config.h for your platform.  Edit SDL_config.h,

    add a section for your platform, and create a custom SDL_config_{platform}.h,

-   based on SDL_config.h.minimal and SDL_config.h.in

+   based on SDL_config_minimal.h and SDL_config.h.in

 

    Add the top level include directory to the header search path, and then add

    the following sources to the project: