diff --git a/src/browser/pages/welcome.html b/src/browser/pages/welcome.html
index 2da1dc581..3c48a85a5 100644
--- a/src/browser/pages/welcome.html
+++ b/src/browser/pages/welcome.html
@@ -39,7 +39,7 @@ <h1>About eSim</h1>
 <center><img src="../../../images/logo.png" alt="eSim logo" height="100" width="100"></center>
 <br/> 
 <p>
-<b>eSim</b> is an open source EDA tool for circuit design, simulation, analysis and PCB design. It is an integrated tool built using open source software such as KiCad (<a href=http://www.kicad-pcb.org>http://www.kicad-pcb.org</a>) and  Ngspice(<a href=http://ngspice.sourceforge.net>http://ngspice.sourceforge.net</a>). eSim source is released under <b>GNU General Public License V3.</b> 
+<b>eSim</b> is an open source EDA tool for circuit design, simulation, analysis and PCB design. It is an integrated tool built using open source software such as KiCad (<a href=http://www.kicad-pcb.org>http://www.kicad-pcb.org</a>) and  Ngspice(<a href=http://ngspice.sourceforge.net>http://ngspice.sourceforge.net</a>). eSim source is released under <b>GNU General Public License.</b> 
 </p>
 <br/>
 <p>
@@ -47,9 +47,7 @@ <h1>About eSim</h1>
  </p>
 <br/>
 <p>
-For technical queries, please contact us through FOSSEE Forum: <a href=http://esim.fossee.in>http://esim.fossee.in</a>
-<br/>
-Write to us at: contact-esim@fossee.in
+To discuss more about eSim please visits at <a href=http://forums.fossee.in>http://forums.fossee.in</a>
 </p>
 <br />
 </body>
diff --git a/src/modelEditor/ModelEditor.py b/src/modelEditor/ModelEditor.py
index 76c3e10f3..9ad7c662f 100644
--- a/src/modelEditor/ModelEditor.py
+++ b/src/modelEditor/ModelEditor.py
@@ -19,10 +19,13 @@ def __init__(self):
         self.modeltable = QtGui.QTableWidget()
 
         self.newbtn = QtGui.QPushButton('New')
+        self.newbtn.setToolTip('<b>Creating new Model Library</b>')
         self.newbtn.clicked.connect(self.opennew)
         self.editbtn = QtGui.QPushButton('Edit')
+        self.editbtn.setToolTip('<b>Editing current Model Library</b>')
         self.editbtn.clicked.connect(self.openedit)
         self.savebtn = QtGui.QPushButton('Save')
+        self.savebtn.setToolTip('<b>Saves the Model Library</b>')
         self.savebtn.setDisabled(True)
         self.savebtn.clicked.connect(self.savemodelfile)
         self.removebtn = QtGui.QPushButton('Remove')
@@ -32,6 +35,7 @@ def __init__(self):
         self.addbtn.setHidden(True)
         self.addbtn.clicked.connect(self.addparameters)
         self.uploadbtn = QtGui.QPushButton('Upload')
+        self.uploadbtn.setToolTip('<b>Uploading external .lib file to eSim</b>')
         self.uploadbtn.clicked.connect(self.converttoxml)
         self.grid.addWidget(self.newbtn, 1,2)
         self.grid.addWidget(self.editbtn, 1,3)
diff --git a/src/subcircuit/Subcircuit.py b/src/subcircuit/Subcircuit.py
index 76587f26a..f53acc6ac 100644
--- a/src/subcircuit/Subcircuit.py
+++ b/src/subcircuit/Subcircuit.py
@@ -20,12 +20,15 @@ def __init__(self,parent=None):
         self.splitter.setOrientation(QtCore.Qt.Vertical)
 
         self.newbtn = QtGui.QPushButton('New Subcircuit Schematic')
+        self.newbtn.setToolTip('<b>To create new Subcircuit Schematic</b>')
         self.newbtn.setFixedSize(200,40)
         self.newbtn.clicked.connect(self.newsch)
         self.editbtn = QtGui.QPushButton('Edit Subcircuit Schematic')
+        self.editbtn.setToolTip('<b>To edit existing Subcircuit Schematic</b>')
         self.editbtn.setFixedSize(200,40)
         self.editbtn.clicked.connect(self.editsch)
         self.convertbtn = QtGui.QPushButton('Convert Kicad to Ngspice')
+        self.convertbtn.setToolTip('<b>To convert Subcircuit Kicad Netlist to Ngspice Netlist</b>')
         self.convertbtn.setFixedSize(200,40)
         self.convertbtn.clicked.connect(self.convertsch)