Change MG_MAX_RECV_BUF_SIZE -> MG_MAX_RECV_SIZE

examples/file-upload/web_root/index.html

@@ -23,7 +23,7 @@
         a partial HTTP message has been received (or a chunk-encoded chunk).
         Use <code>mg_http_delete_chunk()</code> to release chunk memory.
         When 0-sized chunk is received, that's the end of the message.
-        Use <code>MG_MAX_RECV_BUF_SIZE</code> build constant to limit
+        Use <code>MG_MAX_RECV_SIZE</code> build constant to limit
         maximum chunk size on a server side.
         <br><br>
         In this example, JavaScript code uses "fetch()" browser API.

examples/form-upload/main.c

@@ -10,9 +10,9 @@
 // /////////////////           IMPORTANT        //////////////////////////
 //
 // Mongoose has a limit on input buffer, which also limits maximum upload size.
-// It is controlled by the MG_MAX_RECV_BUF_SIZE constant, which is set by
+// It is controlled by the MG_MAX_RECV_SIZE constant, which is set by
 // default to (3 * 1024 * 1024), i.e. 3 megabytes.
-// Use -DMG_MAX_RECV_BUF_SIZE=NEW_LIMIT to override it.
+// Use -DMG_MAX_BUF_SIZE=NEW_LIMIT to override it.
 //
 // Also, consider changing -DMG_IO_SIZE=SOME_BIG_VALUE to increase IO buffer
 // increment when reading data.