Updated image links

Author: anilkram

AP_sampling/README.md

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 # Explaining and Improving Contrastive Decoding by Extrapolating the Probabilities of a Huge and Hypothetical LM
 
-<p align="center"><img src="https://github.com/amazon-science/llm-asymptotic-decoding/blob/master/AP_sampling/imgs/APD_first_figure.png?raw=true" width="540" height="477"></p>
+<p align="center"><img src="https://github.com/amazon-science/llm-asymptotic-decoding/blob/main/AP_sampling/imgs/APD_first_figure.png?raw=true" width="540" height="477"></p>
 
 ## Introduction
 

REAL_sampling/README.md

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 # REAL Sampling: Boosting Factuality and Diversity of Open-Ended Generation by Extrapolating the Entropy of an Infinitely Large LM
 
-<p align="center"><img src="https://github.com/amazon-science/llm-asymptotic-decoding/blob/master/REAL_sampling/imgs/REAL_second_figure.png?raw=true" width="540" height="116"></p>
+<p align="center"><img src="https://github.com/amazon-science/llm-asymptotic-decoding/blob/main/REAL_sampling/imgs/REAL_second_figure.png?raw=true" width="540" height="116"></p>
 
 ## Introduction