docs: fix munged penalty box title (#1210)

Author: gaylin

documentation/docs/edge-rate-limiter/PenaltyBox/prototype/add.mdx

@@ -4,7 +4,7 @@ hide_table_of_contents: false
 pagination_next: null
 pagination_prev: null
 ---
-# PenaltyBox.prototype.has
+# PenaltyBox.prototype.add
 
 Add an `entry` into the PenaltyBox for the duration of the given `timeToLive`.
 
@@ -30,4 +30,4 @@ Returns `undefined`.
 
 - `TypeError`
   - Thrown if the provided `entry` value can not be coerced into a string
-  - Thrown if the provided `timeToLive` value is not either, a number between 1 and 60 inclusively.
+  - Thrown if the provided `timeToLive` value is not either, a number between 1 and 60 inclusively.