diff --git a/tools/taxonomy/find_diag_hits.xml b/tools/taxonomy/find_diag_hits.xml
index c067bc614bf..ca559f10115 100644
--- a/tools/taxonomy/find_diag_hits.xml
+++ b/tools/taxonomy/find_diag_hits.xml
@@ -28,7 +28,7 @@
             <option value="subspecies">Subspecies</option>
         </param>
         <param name="out_format" type="select" label="Select output format">
-            <option value="reads">Dignostic read list</option>
+            <option value="reads">Diagnostic read list</option>
             <option value="counts">Number of diagnostic reads per taxonomic rank</option>
         </param>
     </inputs>