diff --git a/src/nwbinspector/checks/nwbfile_metadata.py b/src/nwbinspector/checks/nwbfile_metadata.py
index 09b30b138..3cde578f5 100644
--- a/src/nwbinspector/checks/nwbfile_metadata.py
+++ b/src/nwbinspector/checks/nwbfile_metadata.py
@@ -249,8 +249,8 @@ def check_subject_species_form(subject: Subject):
     if subject.species and not re.fullmatch(species_form_regex, subject.species):
         return InspectorMessage(
             message=(
-                f"Subject species '{subject.species}' should be in latin binomial form, e.g. 'Mus musculus' and "
-                "'Homo sapiens'"
+                f"Subject species '{subject.species}' should either be in Latin binomial form (e.g., 'Mus musculus' and "
+                "'Homo sapiens') or be a NCBI taxonomy link (e.g., 'http://purl.obolibrary.org/obo/NCBITaxon_280675')."
             ),
         )