Update website.

docs/examples/custom_backend.html

@@ -255,7 +255,7 @@ This example show how a custom backend can be implemented.
 <p>
 
 This implements a full-featured SDL2 backend. It&#39;s intentionally built using the same paradigms as the built-in backends in order to make
-it suitable as a solid basis for a custom implementation. The SDL2 backend can be disabled with MA_NO_SDL, exactly like the build-in
+it suitable as a solid basis for a custom implementation. The SDL2 backend can be disabled with MA_NO_SDL, exactly like the built-in
 backends. It supports both runtime and compile-time linking and respects the MA_NO_RUNTIME_LINKING option. It also works on Emscripten
 which requires the <span style="font-family:monospace;">-s USE_SDL=2</span> option.
 </p>
@@ -282,8 +282,7 @@ Custom backends are identified with the <span style="font-family:monospace;">ma_
 <span style="font-family:monospace;">ma_backend_custom</span> backend type because otherwise the built-in backends would always get chosen first and none of the code for the custom
 backends would actually get hit. By default, the <span style="font-family:monospace;">ma_backend_custom</span> backend is the lowest priority backend, except for <span style="font-family:monospace;">ma_backend_null</span>.</p>
 <div style="font-family:monospace; border:solid 1px #003800; border-left:solid 0.5em #003800; margin:1em 0em; width:100%;"><pre style="margin:0.5em 1em; padding:0; line-height:125%; overflow-x:auto;">
-<span style="color:#666666">#define</span> MINIAUDIO_IMPLEMENTATION
-<span style="color:#666666">#include</span> <span style="color:#cc3300">&quot;../miniaudio.h&quot;</span>
+<span style="color:#666666">#include</span> <span style="color:#cc3300">&quot;../miniaudio.c&quot;</span>
 
 <span style="color:#666666">#ifdef</span> __EMSCRIPTEN__
 <span style="color:#666666">#include</span> <span style="color:#cc3300">&lt;emscripten.h&gt;</span>