Correct latex

README.md

@@ -10,7 +10,7 @@ in multiple variables. It provides a class
 [PolynomialRegressor][doc-polynomial-regressor-url] for multivariate polynomial regression
 and a class [PolynomialFeatures][doc-polynomial-features-url] for transforming input
 features $`(x_1,x_2,\ldots,x_n)`$ into polynomial features
-$`(\ldots,x_1^{k_1}\cdot x_2^{k_2}\cdot\ldotsx_n^{k_n},\ldots)`$.
+$`(\ldots,x_1^{k_1}\cdot x_2^{k_2}\cdot\ldots x_n^{k_n},\ldots)`$.
 
 # Installation