Update README.md

README.md

@@ -48,7 +48,7 @@ the LLM to generate a structured README.md file using the entire contents of the
 response from LLM by comparing it with the actual README file of that repository across several different metrics.
 
 In addition to the traditional NLP metircs like BLEU, ROUGE scores and cosine similarity, we also compute custom metrics 
-that capture structural similarity, code consistency, readbility and information retrieval (from code to README). The final score
+that capture structural similarity, code consistency, readbility ([FRES](https://simple.wikipedia.org/wiki/Flesch_Reading_Ease)) and information retrieval (from code to README). The final score
 is generated between by taking a weighted average of the metrics. The weights used for the final score are shown below.
 
 ```