Update README.md

Fixed a typo.

Author: pitmonticone

README.md

@@ -41,7 +41,7 @@ Over time more and better options become available to express the material cover
 
 But other examples are the recently developed [ParetoSmooth.jl](https://github.com/TuringLang/ParetoSmooth.jl) used in the PSIS related examples and the preliminary work by [SHMUMA](https://github.com/Shmuma/Dagitty.jl) on a better Dagitty.jl (vs. StructuralCausalModels.jl).
 
-While StatisticalRethinking v3 focused on making StatisticalRethinking.jl mcmc package independendent, StatisticalRethinking v4 aims at de-coupling it from a specific graphical package and thus enables new choices for graphics, e.g. using Makie.jl and AlgebraOfGraphics.jl. 
+While StatisticalRethinking v3 focused on making StatisticalRethinking.jl mcmc package independent, StatisticalRethinking v4 aims at de-coupling it from a specific graphical package and thus enables new choices for graphics, e.g. using Makie.jl and AlgebraOfGraphics.jl. 
 
 Also, an attempt has been made to make StatisticalRethinking.jl fit better with the new setup of Pluto notebooks which keep track of used package versions in the notebooks themselves ([see here](https://github.com/fonsp/Pluto.jl/wiki/🎁-Package-management)).