Update docs/3.registering-abilities.md

Co-authored-by: Copilot <[email protected]>

Author: gziolo

docs/3.registering-abilities.md

@@ -30,7 +30,7 @@ The `$args` array accepts the following keys:
 - `annotations` (`array`, **Optional**): An associative array of annotations providing hints about the ability's behavior characteristics. Supports the following keys:
   - `instructions` (`string`): Custom instructions or guidance for using the ability (default: `''`).
   - `readonly` (`bool`): Whether the ability only reads data without modifying its environment (default: `false`).
-  - `destructive` (`bool`): Whether the ability may perform destructive updates to its environment. If `false`, the ability performs only additive updates (default: `true`).
+  - `destructive` (`bool`): Whether the ability may perform destructive updates to its environment. If `true`, the ability may perform any type of modification, including deletions or other destructive changes. If `false`, the ability performs only additive updates (default: `true`).
   - `idempotent` (`bool`): Whether calling the ability repeatedly with the same arguments will have no additional effect on its environment (default: `false`).
 - `meta` (`array`, **Optional**): An associative array for storing arbitrary additional metadata about the ability.