Update baudrate in quick-start-online-debug.md

Apply changes from #891 to 5.11.

Author: Amanda Butler

docs/tutorials/quickstart/quick-start-online-debug.md

@@ -6,7 +6,7 @@ The easiest way to do basic debugging is to use the `printf` command in your cod
 
 For example, add `printf("Hello World!\n\r");` to the top of your main function, and then recompile the program and flash it to your device.
 
-<span class="notes">**Note:** Unless otherwise specified, `printf` defaults to a baud rate of `9600` on Mbed OS. The `mbed-os-example-blinky` example runs at a baud rate of `115200` and can be modified in the `mbed_app.json` file. To configure your terminal client to this baud rate, change the speed option when selecting the port. You can view the [configuration options page](../reference/configuration.html) to learn more about how to configure OS-level options.</span>
+<span class="notes">**Note:** Unless otherwise specified, `printf` defaults to a baud rate of `9600` on Mbed OS. You can modify this value in the `mbed_app.json` file. To configure your terminal client to this baud rate, change the speed option when selecting the port. You can view the [configuration options page](../reference/configuration.html) to learn more about how to configure OS-level options.</span>
 
 To determine which communication port your board connects to: