fix ref take 2

Author: Vincent Landau

docs/src/index.md

@@ -5,7 +5,6 @@ are a subtype of `LightGraphs.AbstractGraph`, and can be weighted or directed.
 SpatialGraphs.jl is useful for turning spatial data into graphs. This can be
 useful for landscape connectivity analysis, hydrology, and other spatial
 network processes. AbstractSpatialGraphs are AbstractGraphs, so methods from 
-LightGraphs.jl work right out of the box. 
-Go to [Graph Types](@ref graph_types) for more details on the graph types implemented in 
-this package.
+LightGraphs.jl work right out of the box. Go to [Graph Types](@ref graph_types) 
+for more details on the graph types implemented in this package.