Removed a special dash character from readme

README.md

@@ -158,7 +158,7 @@ docker run --rm -v b2:/root -v /home/user/path/to/data:/data backblazeit/b2:late
 ## Versions
 
 When you start working with `b2`, you might notice that more than one script is available to you.
-This is by design – we use the `ApiVer` methodology to provide all the commands to all the versions
+This is by design - we use the `ApiVer` methodology to provide all the commands to all the versions
 while also providing all the bugfixes to all the old versions.
 
 If you use the `b2` command, you're working with the latest stable version.