diff --git a/practica/math/README.md b/practica/math/README.md
index 8016413..7948c0c 100644
--- a/practica/math/README.md
+++ b/practica/math/README.md
@@ -16,7 +16,7 @@ Here you can find statistic tasks, which can be usefull in econometric calculati
 - [ Rejection of the null hypothesis](statistic/Variance/Null_hypothesis_rejection.py) - calculate whether we reject the null hypothesis or not
 - [Population variance](statistic/Variance/Population_variance.py) - the variance of the larger population function
 - [Sample variance](statistic/Variance/sample_variance.py) - Sample variance function
-- [Variance](statistic/Variance/Variance.py) - ccalculate the variance of list form
+- [Variance](statistic/Variance/Variance.py) - calculate the variance of list form
 
 ### Statistic tasks
 - [Arithmetic mean](statistic/Statistic_tasks/Arithmetic_mean.py) - the arithmetic mean of a given set of values function