Fix typo in controller-options documentation (#5496)

Signed-off-by: Zadkiel AHARONIAN <hello@zadkiel.fr>

docs/api/controller-options.md

@@ -5,7 +5,7 @@ hide:
 
 # Controller Options
 
-The external-secrets binary includes three components: `core controller`, `certcontroller` and `webook`.
+The external-secrets binary includes three components: `core controller`, `certcontroller` and `webhook`.
 
 ## Core Controller Flags