update readme and help

README.md

@@ -30,7 +30,7 @@ $ tson -url http://gorilla/likes/json
 ### JSON tree
 
 | key    | description                        |
-|--------|---------------------------------------------|
+|--------|------------------------------------|
 | j      | move down                          |
 | k      | move up                            |
 | g      | move to the top                    |
@@ -46,7 +46,7 @@ $ tson -url http://gorilla/likes/json
 | a      | add new node                       |
 | A      | add new value                      |
 | d      | clear children nodes               |
-| e      | edit json with $EDITOR(only when use --url) |
+| e      | edit json with $EDITOR(only Linux) |
 | q      | quit tson                          |
 | Enter  | edit node                          |
 | /      | search nodes                       |

gui/navi.go

@@ -38,7 +38,7 @@ var (
 	addNewNode         = fmt.Sprintf(RedColor, "a", "	add new node")
 	addNewValue        = fmt.Sprintf(RedColor, "A", "	add new value")
 	clearChildrenNodes = fmt.Sprintf(RedColor, "d", "	clear children nodes")
-	editNodes          = fmt.Sprintf(RedColor, "e", "	edit json with $EDITOR(only when use --url)")
+	editNodes          = fmt.Sprintf(RedColor, "e", "	edit json with $EDITOR(only linux)")
 	quitTson           = fmt.Sprintf(RedColor, "q", "	quit tson")
 	editNodeValue      = fmt.Sprintf(RedColor, "Enter", "edit current node")
 	searchNodes        = fmt.Sprintf(RedColor, "/", "	search nodes")