diff --git a/lib/rubella/storage.rb b/lib/rubella/storage.rb
index 74c684b..989af2b 100644
--- a/lib/rubella/storage.rb
+++ b/lib/rubella/storage.rb
@@ -77,7 +77,7 @@ module Rubella
       Storage.new (storage.data+@data), @length
     end
 
-    # Passes each dataset trought the given block.
+    # Passes each dataset through the given block.
     #
     # @param pointer to block
     #
diff --git a/spec/unit/rubella/storage/each_spec.rb b/spec/unit/rubella/storage/each_spec.rb
new file mode 100644
index 0000000..79c301e
--- /dev/null
+++ b/spec/unit/rubella/storage/each_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Rubella::Storage, '.each' do
+
+  it "passes the data through the given block" do
+    storage = Rubella::Storage.new [3, 4, 5]
+
+    sum = 0
+    storage.each do |value|
+      sum = sum + value
+    end
+
+    expect(sum).to eq(12)
+  end
+
+end
diff --git a/spec/unit/rubella/storage/length_spec.rb b/spec/unit/rubella/storage/length_spec.rb
index 579a54a..ffaef6e 100644
--- a/spec/unit/rubella/storage/length_spec.rb
+++ b/spec/unit/rubella/storage/length_spec.rb
@@ -8,4 +8,4 @@ describe Rubella::Storage, '.length' do
     expect(storage.length).to eq 3
   end
 
-end
\ No newline at end of file
+end