fix(specs): condition cant be numeric filter (#4726)

Co-authored-by: Pierre Millot <[email protected]>

Author: kai687

specs/search/paths/rules/common/schemas.yml

@@ -61,8 +61,9 @@ condition:
       description: |
         Filters that trigger the rule.
 
-        You can add add filters using the syntax `facet:value` so that the rule is triggered, when the specific filter is selected.
+        You can add filters using the syntax `facet:value` so that the rule is triggered, when the specific filter is selected.
         You can use `filters` on its own or combine it with the `pattern` parameter.
+        You can't combine multiple filters with `OR` and you can't use numeric filters.
       example: 'genre:comedy'
 
 anchoring: