fix docstring (#88)

* fix typo in docstring

* set version to v2.12.2

Author: ranocha

Project.toml

@@ -1,7 +1,7 @@
 name = "RootedTrees"
 uuid = "47965b36-3f3e-11e9-0dcf-4570dfd42a8c"
 authors = ["Hendrik Ranocha <mail@ranocha.de> and contributors"]
-version = "2.12.1"
+version = "2.12.2"
 
 [deps]
 Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"

src/colored_trees.jl

@@ -188,7 +188,6 @@ end
 
 Compares two rooted trees based on their level (first) and color (second)
 sequences while considering equivalence classes given by different root indices.
-```
 """
 function Base.:(==)(t1::ColoredRootedTree, t2::ColoredRootedTree)
     length(t1.level_sequence) == length(t2.level_sequence) || return false