diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16173c7..750b5ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## Version 0.2.0
+
+This version brings just one, but braking change. As it was discussed `to_upper` is a misleading name for a function. It is not clear what this function does. Since traditionally `uppercase` is just all uppercased letters. And it has nothing to do with `PascalCase`.
+
+### Braking changes
+
+- `UpperCase` renamed to `PascalCase` ([#2](https://github.com/sobolevn/recase/issues/2))
+- `Recase.to_upper/1` renamed to `Recase.to_pascal/1` ([#2](https://github.com/sobolevn/recase/issues/2))
+
+### Tests
+
+- `upper_case_test.exs` renamed to `pascal_case_test.exs`
+
+### Documentation
+
+- Made changes to reflect `Pascal` and `Upper` case issue
+
+
 ## Version 0.1.1
 
 ### Improvements
diff --git a/README.md b/README.md
index d8d430d..330cdcc 100644
--- a/README.md
+++ b/README.md
@@ -16,20 +16,20 @@ One can ask: "Why should I use `recase` when I can use built-in `Macro` module?"
 
 ```elixir
 def deps do
-  [{:recase, "~> 0.1"}]
+  [{:recase, "~> 0.2"}]
 end
 ```
 
 
 ## Usage
 
-### Upper
+### Pascal
 
-Upper (or Pascal) case uses mixed case with lower and upper cased characters. Separates words from each other with the upper case letters. Starts with upper case letter.
+Pascal (or Upper) case uses mixed case with lower and upper cased characters. Separates words from each other with the upper case letters. Starts with upper case letter.
 
 ```elixir
-Recase.to_upper("some-value") # => "SomeValue"
-Recase.to_upper("Some value") # => "SomeValue"
+Recase.to_pascal("some-value") # => "SomeValue"
+Recase.to_pascal("Some value") # => "SomeValue"
 ```
 
 ### Camel
@@ -86,6 +86,12 @@ Recase.to_path("SomeValue") # => "Some/Value"
 Recase.to_path("some value", "\\") # => "some\\value"
 ```
 
+
+## Changelog
+
+Full changelog is available [here](https://github.com/sobolevn/recase/blob/master/CHANGELOG.md).
+
+
 ## License
 
-MIT. See [LICENSE.md](/LICENSE.md) for more details.
+MIT. See [LICENSE.md](https://github.com/sobolevn/recase/blob/master/LICENSE.md) for more details.
diff --git a/lib/recase.ex b/lib/recase.ex
index f1d9eb0..fdae2f3 100644
--- a/lib/recase.ex
+++ b/lib/recase.ex
@@ -7,7 +7,7 @@ defmodule Recase do
 
   alias Recase.{
     CamelCase,
-    UpperCase,
+    PascalCase,
     SnakeCase,
     KebabCase,
     ConstantCase,
@@ -16,18 +16,18 @@ defmodule Recase do
   }
 
   @doc """
-  Converts string to UpperCase aka PascalCase.
+  Converts string to PascalCase (aka UpperCase).
 
   ## Examples
 
-      iex> Recase.to_upper("some-value")
+      iex> Recase.to_pascal("some-value")
       "SomeValue"
 
-      iex> Recase.to_upper("some value")
+      iex> Recase.to_pascal("some value")
       "SomeValue"
   """
-  @spec to_upper(String.t) :: String.t
-  def to_upper(value), do: UpperCase.convert(value)
+  @spec to_pascal(String.t) :: String.t
+  def to_pascal(value), do: PascalCase.convert(value)
 
   @doc """
   Converts string to camelCase.
diff --git a/lib/recase/cases/pascal_case.ex b/lib/recase/cases/pascal_case.ex
new file mode 100644
index 0000000..f359ce5
--- /dev/null
+++ b/lib/recase/cases/pascal_case.ex
@@ -0,0 +1,32 @@
+defmodule Recase.PascalCase do
+  @moduledoc """
+  Module to convert strings to `PascalCase` aka `UpperCase`.
+
+  This module should not be used directly.
+
+  Read about `PascalCase` here:
+  https://en.wikipedia.org/wiki/PascalCase
+
+  ## Changed
+
+  This name was introduced in version `0.2.0`,
+  it was named `UpperCase` before.
+
+  But `UpperCase` was not clear enough. What is `uppercase`?
+
+  1. THIS IS UPPERCASE
+  2. ThisIsAlsoUpperCase
+
+  So, it was decided to rename this module into `PascalCase`.
+  For other details see: https://github.com/sobolevn/recase/issues/2
+  """
+
+  alias Recase.CamelCase
+
+  @spec convert(String.t) :: String.t
+  def convert(""), do: ""
+  def convert(value) do
+    <<char::binary-size(1), rest::binary>> = CamelCase.convert(value)
+    String.upcase(char) <> rest
+  end
+end
diff --git a/lib/recase/cases/upper_case.ex b/lib/recase/cases/upper_case.ex
deleted file mode 100644
index b8f95d0..0000000
--- a/lib/recase/cases/upper_case.ex
+++ /dev/null
@@ -1,19 +0,0 @@
-defmodule Recase.UpperCase do
-  @moduledoc """
-  Module to convert strings to `UpperCase` aka `PascalCase`.
-
-  This module should not be used directly.
-
-  Read about `UpperCase` here:
-  https://en.wikipedia.org/wiki/PascalCase
-  """
-
-  alias Recase.CamelCase
-
-  @spec convert(String.t) :: String.t
-  def convert(""), do: ""
-  def convert(value) do
-    <<char::binary-size(1), rest::binary>> = CamelCase.convert(value)
-    String.upcase(char) <> rest
-  end
-end
diff --git a/mix.exs b/mix.exs
index e94cbd8..a0cb747 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Recase.Mixfile do
   use Mix.Project
 
-  @version "0.1.1"
+  @version "0.2.0"
   @url "https://github.com/sobolevn/recase"
 
   def project do
diff --git a/test/recase_test.exs b/test/recase_test.exs
index 91bff0b..cd2ea27 100644
--- a/test/recase_test.exs
+++ b/test/recase_test.exs
@@ -14,8 +14,8 @@ defmodule RecaseTest do
     assert Recase.to_kebab("some value") == "some-value"
   end
 
-  test "should convert to UpperCase" do
-    assert Recase.to_upper("some value") == "SomeValue"
+  test "should convert to PascalCase" do
+    assert Recase.to_pascal("some value") == "SomeValue"
   end
 
   test "should convert to CONSTANT_CASE" do
diff --git a/test/recase_test/upper_case_test.exs b/test/recase_test/pascal_case_test.exs
similarity index 81%
rename from test/recase_test/upper_case_test.exs
rename to test/recase_test/pascal_case_test.exs
index d380fd6..4407af4 100644
--- a/test/recase_test/upper_case_test.exs
+++ b/test/recase_test/pascal_case_test.exs
@@ -1,11 +1,11 @@
-defmodule Recase.UpperCaseTest do
+defmodule Recase.PascalCaseTest do
   use ExUnit.Case
 
-  import Recase.UpperCase
+  import Recase.PascalCase
 
-  doctest Recase.UpperCase
+  doctest Recase.PascalCase
 
-  test "should upper case usual text" do
+  test "should pascal case usual text" do
     assert convert("upper case") == "UpperCase"
     assert convert("upper-case") == "UpperCase"
     assert convert("upper.case") == "UpperCase"