Update src/modality-specific-files/magnetic-resonance-imaging-data.md

Co-authored-by: Chris Markiewicz <[email protected]>

src/modality-specific-files/magnetic-resonance-imaging-data.md

@@ -698,7 +698,7 @@ The user is free to choose any other label than `singleband` and
 
 Scanner-generated TRACE, ADC and fractional anisotropy (FA and colFA) volumes MAY be included
 using the `TRACE`, `ADC`, `FA` and `colFA` suffixes, respectively.
-If TRACE, ADC, FA, colFA volume filenames match a diffusion series with all applicable entities,
+If TRACE, ADC, FA, or colFA volume filenames match a diffusion series with all applicable entities,
 such volumes SHOULD be computed from that series.
 Otherwise, some entity, such as [`acq-<label>`](../appendices/entities.md#acq),
 SHOULD be used to indicate that the files are unrelated.