Fix spelling of Nushell

README.md

@@ -1,10 +1,10 @@
 # bash-env-json
 
-This is a Bash script `bash-env-json` for export of Bash environment as JSON, suitable for consumption by modern shells such as Elvish and NuShell.
+This is a Bash script `bash-env-json` for export of Bash environment as JSON, suitable for consumption by modern shells such as Elvish and Nushell.
 
 Everyone needs Bash format environment support.  Being able to export this as JSON makes it readily available for import into any modern shell.
 
-Adapters for [Elvish](https://github.com/tesujimath/bash-env-elvish) and [NuShell](https://github.com/tesujimath/nu_plugin_bash_env) are provided for ease of use from those shells.
+Adapters for [Elvish](https://github.com/tesujimath/bash-env-elvish) and [Nushell](https://github.com/tesujimath/nu_plugin_bash_env) are provided for ease of use from those shells.
 
 Source files may be arbitrarily complex Bash, including conditionals, etc.
 
@@ -99,4 +99,4 @@ Expected output was created by running `bash-env-json` offline, so these are onl
 
 ## History
 
-This started life as the [`nu_plugin_bash_env`](https://github.com/tesujimath/nu_plugin_bash_env) plugin for NuShell.  It was [forked for Elvish](https://github.com/tesujimath/bash-env-elvish), and then later made generic using JSON.
+This started life as the [`nu_plugin_bash_env`](https://github.com/tesujimath/nu_plugin_bash_env) plugin for Nushell.  It was [forked for Elvish](https://github.com/tesujimath/bash-env-elvish), and then later made generic using JSON.