Update README.md

Author: paddy3696

niosv_g/tinyml_liteRT/sources/README.md

@@ -25,7 +25,7 @@ This design demonstrates the TinyML application using LiteRT for microcontroller
 ## Documentation
 
 - **Title**: Design Document 
-**URL**:   https://github.com/altera-fpga/agilex5e-nios-ed/blob/rel/25.3.0/niosv_g/tinyml_liteRT/img/block_diagram.png
+**URL**:   https://github.com/altera-fpga/agilex5e-nios-ed/blob/rel/25.3.0/niosv_g/tinyml_liteRT/docs/Nios_Vg_Processor_TinyML_Design_on_Agilex_5_FPGA.md
 
 # Getting Started
 
@@ -104,4 +104,4 @@ niosv-download -g ready_to_test/tflite_app.elf -c 1
 - Verify the output on the terminal by using the following command in the terminal:
 ``` 
 juart-terminal -d 1 -c 1 -i 0 
-```
+```