minor edit

Author: juhyun-kim-ucla

README.md

@@ -15,7 +15,7 @@ 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
+(v0.7) pkg> add https://github.com/OpenMendel/VarianceComponentModels.jl.git#Julia-0.7
 ```
 Use the backspace key to return to the Julia REPL.