diff --git a/README.md b/README.md
index d226f4e..be117e6 100644
--- a/README.md
+++ b/README.md
@@ -20,10 +20,12 @@ Maybe it is easily to write a shell (e.g. Bash), _but this is exactly **"try! Sw
 
 <br />
 
-## Installing (Coming soon)
+## Installing
 
 Please download the `tryswiftdev.pkg` in the [Releases](https://github.com/tryswift/tryswiftdev/releases) and install it.
 
+_**This is a test release. It has not gone through the testing.**_
+
 By default, get `tryswiftdev` into the `/usr/local/bin/` directory.
 
 You can verify your installation by typing `tryswiftdev` in a Terminal.app.
@@ -38,9 +40,9 @@ $ tryswiftdev
 
 ```
 -d [--duplicate-readme]    Duplicate an existing README.md.
-                           Do not overwrite an existing file.
+                            Do not overwrite an existing file.
 -r [--replace-readme]      Replace strings in a README.md
-                           located in the current directory.
+                            located in the current directory.
 -h [--help]                Display available options.
 ```
 
@@ -62,7 +64,7 @@ HomeDirectory
 ### Duplicating a README.md
 
 ```bash
-$ tryswiftdev -d ../Pokemon ../DragonBall
+$ tryswiftdev -d ./Pokemon ./DragonBall
 ```
 
 ```
diff --git a/Sources/Option.swift b/Sources/Option.swift
index 88617b0..c7e2bdc 100644
--- a/Sources/Option.swift
+++ b/Sources/Option.swift
@@ -20,10 +20,10 @@ enum Options: String, CustomStringConvertible {
         switch self {
         case .DuplicateReadme:
             return "Duplicate an existing README.md."
-                + "\n                               Do not overwrite an existing file."
+                + "\n                                Do not overwrite an existing file."
         case .ReplaceStringsInReadme:
             return "Replace strings in a README.md"
-                + "\n                               located in the current directory."
+                + "\n                                located in the current directory."
         case .Usage:
             return "Display available options."
         }
diff --git a/Sources/Readme.swift b/Sources/Readmemd.swift
similarity index 80%
rename from Sources/Readme.swift
rename to Sources/Readmemd.swift
index d897f79..b93e358 100644
--- a/Sources/Readme.swift
+++ b/Sources/Readmemd.swift
@@ -4,7 +4,7 @@ let readmeFileName = "README.md"
 
 /// Do not overwrite an existing file.
 func duplicateExistingReadme(existingReadmeDirctoryPath sourcePath: String, newReadmeDirectoryPath targetPath: String) {
-    excuteCommand(argments: ["cp", "-n", sourcePath + "/" + readmeFileName, targetPath])
+    excuteCommand(argments: ["cp", "-n", "\(sourcePath)/\(readmeFileName)", targetPath])
 }
 
 func replaceStringsInReadme(source: String, target: String) {
diff --git a/Sources/Usage.swift b/Sources/Usage.swift
index a87dd14..1678638 100644
--- a/Sources/Usage.swift
+++ b/Sources/Usage.swift
@@ -14,7 +14,7 @@ func usage() {
     print("    $ tryswiftdev [option <value> ...]")
     print("")
     print("EXAMPLE:")
-    print("    $ tryswiftdev -d ../Pokemon ../DragonBall")
+    print("    $ tryswiftdev -d ./Pokemon ./DragonBall")
     print("    $ tryswiftdev -r Pokemon DragonBall")
     print("")
     print("_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/")