Improve filters doc (Gildas suggestion)

docs/ReferenceManyField.md

@@ -196,7 +196,7 @@ You can filter the query used to populate the possible values. Use the `filter`
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-You can add an array of filter inputs to the `ReferenceManyField` using [the `FilterForm`](./FilterForm.md) and to [the `FilterButton`](./FilterButton.md)  components:
+You can add filters to `<ReferenceManyField>` by adding [`<FilterForm>`](./FilterForm.md) and [`<FilterButton>`](./FilterButton.md):
 
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