docs: refine avro upgrade note wording

Author: getChan

docs/source/library-user-guide/upgrading/54.0.0.md

@@ -126,8 +126,8 @@ stats.column_statistics[0].min_value = ...;
 
 ### Avro API and timestamp decoding changes
 
-DataFusion has switched to use `arrow-avro` (see [#17861]) when reading Avro
-files which results in a few changes:
+DataFusion has switched to use `arrow-avro` (see [#17861]) when reading avro files
+which results in a few changes:
 
 - `DataFusionError::AvroError` has been removed.
 - `From<apache_avro::Error> for DataFusionError` has been removed.