diff --git a/ippisite/ippidb/static/css/compounds_list.css b/ippisite/ippidb/static/css/compounds_list.css
index 140313c976cc480c265436e88f78cf5093aeecf5..5ceca4eaee501d0e449024362c692560381392ff 100644
--- a/ippisite/ippidb/static/css/compounds_list.css
+++ b/ippisite/ippidb/static/css/compounds_list.css
@@ -224,30 +224,40 @@ Description: IPPI-DB Theme
 
 .compound_header_title {
     position: sticky;
-    top:0;
+    top: 0;
     background-color: #ffffff;
-    margin-bottom: 18px; 
-    border-radius: 3px; 
+    margin-bottom: 18px;
+    border-radius: 3px;
     box-shadow: 0 3px 11px 0 rgba(0, 0, 0, 0.2);
     z-index: 1;
 }
 
-.bg_warning{
+.bg_warning {
     background-color: #fbbf839e;
     border-radius: 3px;
 }
 
+.info_point {
+    color: #b6bfc7;
+    font-size: 17px;
+    cursor: pointer;
+}
+
+.info_point:hover {
+    color: #8e969c;
+}
+
 .legend_table {
     border: 1px solid #dee2e6;
 }
 
 .legend_table td, .legend_table th {
-        padding: .0px;
-        vertical-align: top;
-        border-top: 1px solid #dee2e6;
-        text-align: center;
+    padding: .0px;
+    vertical-align: top;
+    border-top: 1px solid #dee2e6;
+    text-align: center;
 }
 
-.legend_table tr,th {
+.legend_table tr, th {
     font-family: "BrandonGrotesqueBld";
 }
\ No newline at end of file
diff --git a/ippisite/ippidb/static/images/Other/formLE_petit.png b/ippisite/ippidb/static/images/Other/formLE_petit.png
new file mode 100644
index 0000000000000000000000000000000000000000..1986920c50052d13554b0f74b2a0cdbb1c90bd20
Binary files /dev/null and b/ippisite/ippidb/static/images/Other/formLE_petit.png differ
diff --git a/ippisite/ippidb/static/images/Other/formLLE_petit.png b/ippisite/ippidb/static/images/Other/formLLE_petit.png
new file mode 100644
index 0000000000000000000000000000000000000000..a9bad03d5e135995bcffa607e52298dc27f43153
Binary files /dev/null and b/ippisite/ippidb/static/images/Other/formLLE_petit.png differ
diff --git a/ippisite/ippidb/templates/about-le-lle.html b/ippisite/ippidb/templates/about-le-lle.html
index 5527f56dd4e222567342a704995b95421384ac8b..a32727a40805d859beef5ac4a859215950d4192f 100644
--- a/ippisite/ippidb/templates/about-le-lle.html
+++ b/ippisite/ippidb/templates/about-le-lle.html
@@ -1,29 +1,66 @@
 {% extends "about.html" %}
 
-    
+
 {% block title %}inhibitors of Protein-Protein Interaction Database{% endblock %}
 
-{% block pagetitle %}Efficiencies: iPPI-DB biplot LE versus LLE{% endblock%}
+{% block pagetitle %}Efficiency plot: Ligand efficiency (LE) versus Lipophilic Efficiency (LLE) <span class="info_point"
+	onclick="showLegend('show_legend_LLE')"> <i class="fas fa-info-circle fa-sm"></i></span>{% endblock%}
 
 {% block view_content %}
 {% if le_lle_biplot_data %}
 <div class="row">
+	<div id="show_legend_LLE" style="display: none; padding:8px; margin-left: auto;
+    margin-right: auto;">
+		<div class="row d-flex justify-content-center" style="box-shadow: 0 3px 11px 0 rgba(0, 0, 0, 0.2);
+		padding-top: 9px;">
+			<div class="col-12" style="margin-bottom: 10px;">
+				<div style="border: 1px solid #f2f2f2;">
+					<div style=" background-color: #f2f2f2;text-align: center; font-family:'BrandonGrotesqueBld';">
+						Caption
+					</div>
+					<div style="padding: 5px;">
+						<ul>
+							<li>LE: Ligand Efficiency</li>
+							<img src="/static/images/Other/formLE_petit.png">
+							<li>LLE: Lipophilic Efficiency</li>
+							<img src="/static/images/Other/formLLE_petit.png">
+						</ul>
+						<p>
+							For the calculation of the efficiencies, we select a reference activity such that Ki and Kd
+							are favored over IC50 and EC50 and biochemical assays over cellular assays.
+						</p>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
 	<div class="col-md-12">
 		<canvas id="le_lle_biplot"></canvas>
 	</div>
 	<div class="col-md-12">
 		<p>
-			iPPI-DB biplot of Ligand Efficiency (LE = 1.37 x pXC50 / No heavy atoms) versus Lipophilic Ligand Efficiency (LLE = pXC50 - AlogP) where pXC50 is any of the following: pKd, pKi, pIC50 or pEC50. Each iPPI is colored according to their corresponding target.
+			iPPI-DB biplot of Ligand Efficiency (LE = 1.37 x pXC50 / No heavy atoms) versus Lipophilic Ligand Efficiency
+			(LLE = pXC50 - AlogP) where pXC50 is any of the following: pKd, pKi, pIC50 or pEC50. Each iPPI is colored
+			according to their corresponding target.
 		</p>
 	</div>
 </div>
 
 <script>
-drawCompoundsBiplotChart('le_lle_biplot', preparePerFamilyBiplotData({{ le_lle_biplot_data | safe }}), 'pharmacology', {'legend':{'position':'right'}});
+	drawCompoundsBiplotChart('le_lle_biplot', preparePerFamilyBiplotData({{ le_lle_biplot_data | safe }}), 'pharmacology', { 'legend': { 'position': 'right' } });
+	function showLegend(legend) {
+		var x = document.getElementById(legend);
+		console.log(x)
+		if (x.style.display === "none") {
+			x.style.display = "block";
+		} else {
+			x.style.display = "none";
+		}
+	}
 </script>
 {% else %}
-  <div class="alert alert-danger" role="alert">
+<div class="alert alert-danger" role="alert">
 	The LE-LLE data are not currently available
-  </div>
+</div>
 {% endif %}
-{% endblock %}
+{% endblock %}
\ No newline at end of file
diff --git a/ippisite/ippidb/templates/compound_card.html b/ippisite/ippidb/templates/compound_card.html
index 0e27af0b6ee788d590204adb55c89c32451bdc0f..6232af374203bc44ca79c3b9f3add397d7903884 100644
--- a/ippisite/ippidb/templates/compound_card.html
+++ b/ippisite/ippidb/templates/compound_card.html
@@ -61,8 +61,7 @@
       <div class="tab-pane fade" id="physicochemistry" role="tabpanel" aria-labelledby="physicochemistry-tab">
         <div class="row d-flex justify-content-center">
           <div class="col-sm-12 col-md-9" style="margin: 10px;">
-            <h5 class="card_title">Physicochemical filters <span style="color:#b6bfc7; font-size: 17px;
-              cursor: pointer;" onclick="showLegend('show_legend_physico')"><i class="fas fa-info-circle"></i></span>
+            <h5 class="card_title">Physicochemical filters <span class="info_point" onclick="showLegend('show_legend_physico')"><i class="fas fa-info-circle"></i></span>
             </h5>
             <div id="show_legend_physico" style="display: none; padding:8px;">
               <div class="row d-flex justify-content-center" style="    box-shadow: 0 3px 11px 0 rgba(0, 0, 0, 0.2);
@@ -226,8 +225,7 @@
               </table>
             </div>
             <div class="col" style="margin: 10px;">
-              <h5 class="card_title">Radar chart<span style="color:#b6bfc7; font-size: 17px;
-                cursor: pointer;" onclick="showLegend('show_legend_radar')"> <i class="fas fa-info-circle"></i></span>
+              <h5 class="card_title">Radar chart<span class="info_point" onclick="showLegend('show_legend_radar')"> <i class="fas fa-info-circle"></i></span>
               </h5>
               <div id="show_legend_radar" style="display: none; padding:8px;">
                 <div class="row d-flex justify-content-center" style="    box-shadow: 0 3px 11px 0 rgba(0, 0, 0, 0.2);