Update predator_prey.jl (#1130)

* Update predator_prey.jl

I guess it should be 'hawk' instead of 'wolf'

* Update Project.toml 

bump version to 6.2.4

Author: maeckha

Project.toml

@@ -1,7 +1,7 @@
 name = "Agents"
 uuid = "46ada45e-f475-11e8-01d0-f70cc89e6671"
 authors = ["George Datseris", "Tim DuBois", "Aayush Sabharwal", "Ali Vahdati", "Adriano Meligrana"]
-version = "6.2.3"
+version = "6.2.4"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"

examples/predator_prey.jl

@@ -42,7 +42,7 @@
 # ## Making the model
 # First we define the agent types
 # (here you can see that it isn't really that much
-# of an advantage to have two different agent types. Like in the [Rabbit, Fox, Wolf](@ref)
+# of an advantage to have two different agent types. Like in the [Rabbit, Fox, Hawk](@ref)
 # example, we could have only one type and one additional field to separate them.
 # Nevertheless, for the sake of example, we will use two different types.)
 using Agents, Random