Update README.md

README.md

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 ## Description
 
-Cramer is an open-source, numerical linear algebra library for C++ that supports a wide variety of computations with vectors and matrices. For a full list of features, see [below](#features).
+Cramer supports a large collection of computations with vectors and matrices. For a full list of features, see [Features](#features).
 
-It's named after the Genevan mathematician [Gabriel Cramer](https://en.wikipedia.org/wiki/Gabriel_Cramer), who is probably most well-known for his discovery of Cramer's rule: a formula to solve a system of linear equations of the form $Ax = b$ using determinants (if and only if there is a unique solution, i.e., A is invertible).
+It's named after the Genevan mathematician [Gabriel Cramer](https://en.wikipedia.org/wiki/Gabriel_Cramer), who is probably most well-known for Cramer's rule: a formula to solve a system of linear equations using determinants.
 
-I realize that there are other (and much better) linear algebra libraries out there, but I wanted to create one that was easy to understand, maintain, and use. Think of it as a slimmed down version of [Eigen](https://gitlab.com/libeigen/eigen).
+There are better linear algebra libraries out there, but I wanted to create one that was easier to use, understand, and maintain. Think of it as a smaller version of [Eigen](https://gitlab.com/libeigen/eigen).
 
 ## Features