fix readme

README.md

@@ -118,17 +118,11 @@ Prefixes each line of the string with `prefix`. If `prefix` is not supplied, the
 
 The `options` argument can have an `exclude` property, which is an array of `[start, end]` character ranges. These ranges will be excluded from the indentation - useful for (e.g.) multiline strings.
 
-### s.insert( index, content )
-
-**This method is deprecated. In future versions, usage will result in a warning, and eventually an error. Use `insertAfter` and `insertBefore` instead.**
-
-Inserts the specified `content` at the `index` in the original string. Returns `this`.
-
-### s.insertAfter( index, content )
+### s.insertLeft( index, content )
 
 Inserts the specified `content` at the `index` in the original string. If a range *ending* with `index` is subsequently moved, the insert will be moved with it. Returns `this`.
 
-### s.insertBefore( index, content )
+### s.insertRight( index, content )
 
 Inserts the specified `content` at the `index` in the original string. If a range *starting* with `index` is subsequently moved, the insert will be moved with it. Returns `this`.