Update docs/format/source/format_release_notes.rst

Co-authored-by: Steph Prince <[email protected]>

Author: rly

docs/format/source/format_release_notes.rst

@@ -16,7 +16,7 @@ Minor changes
 - Added optional ``was_generated_by`` attribute to ``NWBFile`` to store provenance information (#578)
 - Deprecated ``EventWaveform`` neurodata type. (#584)
 - Deprecated ``ImageMaskSeries`` neurodata type. (#583)
-- Added `Device.model_number`, `Device.model_name`, `Device.serial_number` (#594)
+- Added ``Device.model_number``, ``Device.model_name``, ``Device.serial_number`` (#594)
 
 2.7.0 (February 7, 2024)
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