Fix the var name.

Author: grafov

README.md

@@ -80,14 +80,14 @@ compiler as `go run *.go` so any sources from the snippet directory will be incl
 #+ORGTBL: SEND vars orgtbl-to-gfm
 | Function name                    | Description                                                                                                                                                                             |
 |----------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `go-playground-ask-for-filename` | Ask for the snippet filename on a new playground creation. By default it got name `snippet.go`.                                                                                         |
+| `go-playground-ask-filename`     | Ask for the snippet filename on a new playground creation. By default it got name `snippet.go`.                                                                                         |
 | `go-playground-basedir`          | Default directory where snippets dirs will placed. Each new snippet got a new dir under this. It has sense place the default directory under GOPATH. Var introduced in the release 1.1. |
 | `go-playground-confirm-deletion` | Ask for confirmation before snippet deletion. It may be annoying so you can switch confirmations off. Var introduced in the release 1.2.                                                |
 -->
 <!--- BEGIN RECEIVE ORGTBL vars -->
 | Function name | Description |
 |---|---|
-| `go-playground-ask-for-filename` | Ask for the snippet filename on a new playground creation. By default it got name `snippet.go`. |
+| `go-playground-ask-filename` | Ask for the snippet filename on a new playground creation. By default it got name `snippet.go`. |
 | `go-playground-basedir` | Default directory where snippets dirs will placed. Each new snippet got a new dir under this. It has sense place the default directory under GOPATH. Var introduced in the release 1.1. |
 | `go-playground-confirm-deletion` | Ask for confirmation before snippet deletion. It may be annoying so you can switch confirmations off. Var introduced in the release 1.2. |
 <!--- END RECEIVE ORGTBL vars -->