expand

use 'curly braces' (not brackets) to match other parts of the docs

doc/Language/operators.pod6

@@ -141,7 +141,7 @@ it's a mistake to use it with uppercase `S///`, because you can't
 retrieve the modified string. The correct way is to alias the given
 string by some other method, such as a `for` loop or, as is shown in the
 example above, with a `given` block (in this case, it's a postfix form
-of it, without curlies).
+of it, without curly braces).
 
 Both operators can take the same adverbs as the
 L<.subst method|/routine/subst>, which go between the `s`/`S` and the opening