Update README.md

math/src/field/README.md

@@ -6,7 +6,7 @@ This folder contains the different field backends, including field extensions. T
 - [Pallas base field](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/pallas_field.rs): this is also the scalar field of the Vesta elliptic curve.
 - [Vesta base field](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/vesta_field.rs): this is also the scalar field of the Pallas elliptic curve.
 - [Goldilocks-448](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/p448_goldilocks_prime_field.rs)
-- [Mersenne-31](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/mersenne31/field.rs): $2^{31} - 1$ and its [quadratic extension](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/mersenne31/extension.rs)
+- [Mersenne-31](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/mersenne31/field.rs): $2^{31} - 1$ and its [quadratic extension](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/mersenne31/extensions.rs)
 - [Baby Bear](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/fft_friendly/babybear.rs) and its [quadratic extension](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/field/fields/fft_friendly/quadratic_babybear.rs): FFT-friendly, $2^{31} - 2^{27} + 1$.
 - [Scalar field of BN-254](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/elliptic_curve/short_weierstrass/curves/bn_254/default_types.rs), and its quadratic extension, quartic, sextic and twelth degree extensions. This coincides with the base field of [Grumpkin](../elliptic_curve/short_weierstrass/curves/grumpkin/curve.rs)
 - [Base field of BN-254](https://github.com/lambdaclass/lambdaworks/blob/main/math/src/elliptic_curve/short_weierstrass/curves/bn_254/field_extension.rs) and its quadratic extension. The base field coincides with the scalar field of [Grumpkin](../elliptic_curve/short_weierstrass/curves/grumpkin/curve.rs)
@@ -368,4 +368,4 @@ This defines a 6th degree extension over the scalar field of BLS12-381. We only
 - [High-Speed Algorithms & Architectures For Number-Theoretic Cryptosystems](https://www.microsoft.com/en-us/research/wp-content/uploads/1998/06/97Acar.pdf)
 - [Developer math survival kit](https://blog.lambdaclass.com/math-survival-kit-for-developers/)
 - [Montgomery Arithmetic from a Software Perspective](https://eprint.iacr.org/2017/1057.pdf)
-- [Guajardo, Kumar, Paar, Perzl - Efficient software implementation of finite fields with applications to Cryptography](https://www.sandeep.de/my/papers/2006_ActaApplMath_EfficientSoftFiniteF.pdf)
+- [Guajardo, Kumar, Paar, Perzl - Efficient software implementation of finite fields with applications to Cryptography](https://www.sandeep.de/my/papers/2006_ActaApplMath_EfficientSoftFiniteF.pdf)