Update char.md

docs/sql/functions/char.md

@@ -18,7 +18,7 @@ This section describes functions and operators for examining and manipulating [`
 | [`string ^@ search_string`](#string--search_string) | Return true if `string` begins with `search_string`. |
 | [`string || string`](#string--string) | String concatenation. |
 | [`string[index]`](#stringindex) | Extract a single character using a (1-based) index. |
-| [`string[begin:end]`](#stringbeginend) | Extract a string using slice conventions (like in Python). Missing `begin` or `end` arguments are interpreted as the beginning or end of the list respectively. Negative values are accepted. |
+| [`string[begin:end]`](#stringbeginend) | Extract a string using slice conventions, see [slicing]({% link docs/sql/functions/list.md %}#slicing). |
 | [`string LIKE target`](#string-like-target) | Returns true if the `string` matches the like specifier (see [Pattern Matching]({% link docs/sql/functions/pattern_matching.md %})). |
 | [`string SIMILAR TO regex`](#string-similar-to-regex) | Returns `true` if the `string` matches the `regex`; identical to `regexp_full_match` (see [Pattern Matching]({% link docs/sql/functions/pattern_matching.md %})). |
 | [`array_extract(list, index)`](#array_extractlist-index) | Extract a single character using a (1-based) index. |