diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/ModelAnnotator.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/ModelAnnotator.java
index 8328716508788f665daeea66528fa8dc4bcd0530..8516fd4f6bd02b50d53bfe1b2b3ced40b6453d5e 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/ModelAnnotator.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/ModelAnnotator.java
@@ -348,9 +348,6 @@ public class ModelAnnotator {
 		double counter = 0;
 		double amount = model.getElements().size() + model.getReactions().size();
 		
-		logger.debug("annotatorsParams");
-		logger.debug(annotatorsParams);
-
 		// annotate all elements
 		for (Element element : model.getElements()) {
 			List<ElementAnnotator> list = null;
diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorParamDefinition.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorParamDefinition.java
index 3d13f4181e468d27339e7b810b281ec99bfa6e7a..9559952e60378f012e6be87c251c6d5435ccb813 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorParamDefinition.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorParamDefinition.java
@@ -9,14 +9,14 @@ package lcsb.mapviewer.annotation.services.annotators;
 public class AnnotatorParamDefinition {
 	private String name;
 	
-	private String decription;
+	private String description;
 	
 	private Class<?> type;
 
-	public AnnotatorParamDefinition(String name, Class<?> type, String decription) {
+	public AnnotatorParamDefinition(String name, Class<?> type, String description) {
 		super();
 		this.name = name;
-		this.decription = decription;
+		this.description = description;
 		this.type = type;
 	}
 
@@ -24,8 +24,8 @@ public class AnnotatorParamDefinition {
 		return name;
 	}
 
-	public String getDecription() {
-		return decription;
+	public String getDescription() {
+		return description;
 	}
 
 	public Class<?> getType() {
diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotator.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotator.java
index cbf8cee52c7a6389442a61baa88629cc9d9c8af3..4f4238e70c7c1524f6df4c04a2cbfa040bbf533e 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotator.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotator.java
@@ -222,14 +222,15 @@ public class KeggAnnotator extends ElementAnnotator implements IExternalService
 		if (params != null) {
 			String[] keggOrgnismCodes = params.get(0).getParamValue().trim().split(" +");
 			for (String code: keggOrgnismCodes) {
-				if (code.toUpperCase() != "ATH") {
-					logger.warn("KEGG annotator currently supports only ATH");
+				if (!code.equalsIgnoreCase("ATH")) {
+					logger.warn("KEGG annotator currently supports only ATH (" + code + " passed)" );
 				} else {
 					m = athOrthologMatcher.matcher(pageContent);
 					if (m.find()) {
 						String[] tairCodes = m.group(1).trim().split(" ");
 						for (String tairCode: tairCodes) {
 							tairCode = tairCode.split("\\(")[0]; //some codes are in the form AT1G08510(FATB)
+							logger.debug("Adding tair code " + tairCode);
 							result.add(createMiriamData(MiriamType.TAIR_LOCUS, tairCode));
 			            }
 					}
diff --git a/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorExceptionTest.java b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorExceptionTest.java
index 05162124a482e76d0ad7d42c26d07ccb7cf706e2..629717e14862fe79da3911fc8af046abf278949e 100644
--- a/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorExceptionTest.java
+++ b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/AnnotatorExceptionTest.java
@@ -25,7 +25,7 @@ public class AnnotatorExceptionTest {
 	public void testConstructor() {
 		AnnotatorParamDefinition d = new AnnotatorParamDefinition("name", String.class, "description");
 		assertEquals(d.getName(), "name");
-		assertEquals(d.getDecription(), "description");
+		assertEquals(d.getDescription(), "description");
 		assertEquals(d.getType(), String.class);
 	}
 
diff --git a/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotatorTest.java b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotatorTest.java
index 21e5e64b7491890bc978d801de0edacbb09353c2..7228b8e6e4ecb225269c7e69e998867630e897b1 100644
--- a/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotatorTest.java
+++ b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/KeggAnnotatorTest.java
@@ -148,7 +148,7 @@ public class KeggAnnotatorTest extends AnnotationTestFunctions {
 			protein.setName("bla");
 			protein.addMiriamData(new MiriamData(MiriamType.UNIPROT, "Q42561"));
 			List<UserAnnotatorsParam> aps = new ArrayList<>();
-			aps.add(new UserAnnotatorsParam(String.class, "KEGG organism identifier", "ATH XXX"));
+			aps.add(new UserAnnotatorsParam(String.class, "KEGG organism identifier", "ATH AAA"));
 			keggAnnotator.annotateElement(protein, aps);
 			
 			int cntTairs = 0;
diff --git a/frontend-js/src/main/css/global.css b/frontend-js/src/main/css/global.css
index 04c3b36d73ef71d18ca8b66c2429d9c4d85486ae..3ad3f016a32d4747fd3823ff6593d693583c11c2 100644
--- a/frontend-js/src/main/css/global.css
+++ b/frontend-js/src/main/css/global.css
@@ -587,3 +587,21 @@ h1 {
     font-weight: bold;
 }
 
+.minerva-annotator-param-name .annotator-tooltip {
+    visibility: hidden;
+    width: 50%;
+    background-color: rgba(0, 0, 0, .5);
+    color: #fff;
+    text-align: left;
+    border-radius: 6px;
+    padding: 5px;
+
+    /* Position the tooltip */
+    position: absolute;
+    z-index: 1;
+}
+
+.minerva-annotator-param-name:hover .annotator-tooltip {
+    visibility: visible;
+}
+
diff --git a/frontend-js/src/main/js/gui/admin/ChooseAnnotatorsDialog.js b/frontend-js/src/main/js/gui/admin/ChooseAnnotatorsDialog.js
index 30e9ae64058f8ec057e1ec1631f1da4a3959c561..782de66346943142ea7f420627ffed7915e76dce 100644
--- a/frontend-js/src/main/js/gui/admin/ChooseAnnotatorsDialog.js
+++ b/frontend-js/src/main/js/gui/admin/ChooseAnnotatorsDialog.js
@@ -106,6 +106,7 @@ ChooseAnnotatorsDialog.prototype.setElementType = function (elementType) {
           
           var paramsDefs = annotator.getParametersDefinitions();
           if (paramsDefs.length > 0) {
+            console.log('annotator', annotator);
 
             annotatorsParams.appendChild(Functions.createElement({
               type: "div",    
@@ -132,11 +133,21 @@ ChooseAnnotatorsDialog.prototype.setElementType = function (elementType) {
                 className: "minerva-annotator-param"
               });
 
-              paramElement.appendChild(Functions.createElement({
+              var paramName = Functions.createElement({
                 type: "div",
                 className: "minerva-annotator-param-name",
                 content: param.name
-              }));
+              });
+
+              console.log('param', param);
+              var toolTip = Functions.createElement({
+                type: "span",
+                className: "annotator-tooltip",
+                content: param.description
+              });
+
+              paramName.appendChild(toolTip)
+              paramElement.appendChild(paramName);    
 
               var paramValue;
 
@@ -169,8 +180,8 @@ ChooseAnnotatorsDialog.prototype.setElementType = function (elementType) {
                 paramValue.checked = (existingParamValue && existingParamValue === 'true');
               } else {
                 throw new InvalidAlgorithmError("Unknown annotator parameter type");
-              }              
-
+              }    
+              
               paramElement.appendChild(paramValue);
               annotatorParams.appendChild(paramElement);              
             }