diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/TairAnnotator.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/TairAnnotator.java
index 1e07de41fbf3dc3f52cdc0b41726ba66eb2bd4a9..7749ccbe43592ed24f8d2bb28e51a9ebf0b30c99 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/TairAnnotator.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/TairAnnotator.java
@@ -76,7 +76,7 @@ public class TairAnnotator extends ElementAnnotator implements IExternalService
 	public void annotateElement(BioEntity object) throws AnnotatorException {
 		if (isAnnotatable(object)) {
 //			boolean uniprotFound = false;
-			List<MiriamData> mdUniProts = new ArrayList<MiriamData>();
+			List<MiriamData> mdUniProts = new ArrayList<MiriamData>(); //keeps record of existing UniProt annotations which can differ from those retrieved using TAIR
 			MiriamData mdTair = null;
 			for (MiriamData md : object.getMiriamData()) {
 				if (md.getDataType().equals(MiriamType.TAIR_LOCUS)) {