diff --git a/README.md b/README.md
index d1ca76c..e80acc5 100644
--- a/README.md
+++ b/README.md
@@ -25,15 +25,16 @@ using GraphPlot
 # Usage
 ## karate network
 ```julia
-g = graphfamous("karate")
+using LightGraphs: smallgraph
+g = smallgraph(:karate)
 gplot(g)
 
 ```
 
 ## Add node label
 ```julia
-using Graphs
-nodelabel = [1:num_vertices(g)]
+using LightGraphs
+nodelabel = [1:nv(g)]
 gplot(g, nodelabel=nodelabel)
 
 ```
@@ -46,7 +47,7 @@ gplot(g, nodelabel=nodelabel, nodelabeldist=1.5, nodelabelangleoffset=π/4)
 ## Control the node size
 ```julia
 # nodes size proportional to their degree
-nodesize = [Graphs.out_degree(v, g) for v in Graphs.vertices(g)]
+nodesize = [LightGraphs.out_degree(g, v) for v in LightGraphs.vertices(g)]
 gplot(g, nodesize=nodesize)
 ```
 
@@ -56,7 +57,7 @@ Feed the keyword argument `nodefillc` a color array, ensure each node has a colo
 using Colors
 
 # Generate n maximally distinguishable colors in LCHab space.
-nodefillc = distinguishable_colors(num_vertices(g), colorant"blue")
+nodefillc = distinguishable_colors(nv(g), colorant"blue")
 gplot(g, nodefillc=nodefillc, nodelabel=nodelabel, nodelabeldist=1.8, nodelabelangleoffset=π/4)
 ```
 
@@ -75,13 +76,13 @@ gplot(g, nodelabelsize=nodelabelsize, nodesize=nodesize, nodelabel=nodelabel)
 
 ## Draw edge labels
 ```julia
-edgelabel = [1:Graphs.num_edges(g)]
+edgelabel = [1:LightGraphs.ne(g)]
 gplot(g, edgelabel=edgelabel, nodelabel=nodelabel)
 ```
 
 ## Adjust edge labels
 ```julia
-edgelabel = [1:Graphs.num_edges(g)]
+edgelabel = [1:LightGraphs.ne(g)]
 gplot(g, edgelabel=edgelabel, nodelabel=nodelabel, edgelabeldistx=0.5, edgelabeldisty=0.5)
 ```
 
@@ -119,9 +120,9 @@ gplot(g, layout=spectral_layout)
 ```
 ### shell layout
 ```julia
-nlist = Array(Vector{Int}, 2) # two shells
+nlist = Vector{Vector{Int}}(undef, 2) # two shells
 nlist[1] = [1:5] # first shell
-nlist[2] = [6:num_vertices(g)] # second shell
+nlist[2] = [6:nv(g)] # second shell
 locs_x, locs_y = shell_layout(g, nlist)
 gplot(g, locs_x, locs_y, nodelabel=nodelabel)
 ```
@@ -133,7 +134,7 @@ gplot(g, linetype="curve")
 
 ## Save to figure
 ```{execute="false"}
-using Compose
+using Cairo, Compose
 # save to pdf
 draw(PDF("karate.pdf", 16cm, 16cm), gplot(g))
 # save to png