correct typo; update installation info

Author: juhyun-kim-ucla

docs/src/index.md

@@ -4,7 +4,7 @@
 
 VarianceComponentModels.jl implements computation routines for fitting and testing variance component model of form
 
-$\text{vec}(Y) \sim \text{Nomral}(X B, \Sigma_1 \otimes V_1 + \cdots + \Sigma_m \otimes V_m),$
+$\text{vec}(Y) \sim \text{Normal}(X B, \Sigma_1 \otimes V_1 + \cdots + \Sigma_m \otimes V_m),$
 
 where $\otimes$ is the [Kronecker product](https://en.wikipedia.org/wiki/Kronecker_product).
 
@@ -24,7 +24,7 @@ and **parameters** are
 - Maximum likelihood estimation (MLE) and restricted maximum likelihood estimation (REML) of mean parameters `B` and variance component parameters `Σ`   
 - Allow constrains in the mean parameters `B`  
 - Choice of optimization algorithms: [Fisher scoring](https://books.google.com/books?id=QYqeYTftPNwC&lpg=PP1&pg=PA142#v=onepage&q&f=false) and [minorization-maximization algorithm](http://arxiv.org/abs/1509.07426)  
-- [Heritability Analysis](@ref) in genetics  
+- [Heritability analysis](@ref) in genetics  
 
 ## Installation
 
@@ -35,7 +35,7 @@ https://github.com/JuliaLang/julia repository.
 The package has not yet been registered and must be installed using the repository location.
 Start julia and use the `]` key to switch to the package manager REPL
 ```julia
-(v0.7) pkg> add https://github.com/OpenMendel/VarianceComponentModels.jl.git#Julia-0.7
+(v1.2) pkg> add https://github.com/OpenMendel/VarianceComponentModels.jl.git
 ```
 Use the backspace key to return to the Julia REPL.