Make the DOI a link

Author: leouieda

README.md

@@ -11,7 +11,8 @@ presented in:
 
 > Uieda, L., Souza-Junior, G. F., Uppal, I., Oliveira Jr., V. C. (2024). Euler
 > inversion: Locating sources of potential-field data through inversion of
-> Euler’s homogeneity equation. EarthArXiv. doi:10.31223/X5T41M
+> Euler’s homogeneity equation. EarthArXiv.
+> doi:[10.31223/X5T41M](https://doi.org/10.31223/X5T41M).
 
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