diff --git a/LICENSE.md b/LICENSE.md
index 58bd11a..440a127 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,4 +1,4 @@
-The NNS.jl package is licensed under the Apache License, Version 2.0:
+The SimilaritySearch package is licensed under the Apache License, Version 2.0:
 
 > Copyright (c) 2017: Eric S. Tellez.
 > 
diff --git a/src/SimilaritySearch.jl b/src/SimilaritySearch.jl
index 9928f06..c3e8d48 100644
--- a/src/SimilaritySearch.jl
+++ b/src/SimilaritySearch.jl
@@ -1,4 +1,4 @@
-module NNS
+module SimilaritySearch
 abstract type Index end
 abstract type Result end
 
diff --git a/src/distances/cos.jl b/src/distances/cos.jl
index aca156f..282c779 100644
--- a/src/distances/cos.jl
+++ b/src/distances/cos.jl
@@ -5,7 +5,7 @@ mutable struct AngleDistance
     AngleDistance() = new(0)
 end
 
-immutable DenseCosine{T <: Real}
+struct DenseCosine{T <: Real}
     vec::Vector{T}
     invnorm::T
 end