Update README.md

Author: CarloLucibello

README.md

@@ -13,7 +13,7 @@ Among its features:
 * Supports computations on batched graphs. 
 * Easy to define custom layers.
 * CUDA support.
-* Integration with [Graph.jl](https://github.com/JuliaGraphs/Graphs.jl).
+* Integration with [Graphs.jl](https://github.com/JuliaGraphs/Graphs.jl).
 * [Examples](https://github.com/CarloLucibello/GraphNeuralNetworks.jl/tree/master/examples) of node, edge, and graph level machine learning tasks. 
 
 ## Installation