diff --git a/DataPlotly/core/core_utils.py b/DataPlotly/core/core_utils.py
index 371b1afd..475aa9b7 100644
--- a/DataPlotly/core/core_utils.py
+++ b/DataPlotly/core/core_utils.py
@@ -1,4 +1,4 @@
-"""COre Utilities
+"""Core Utilities
 
 .. note:: This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -8,6 +8,7 @@
 import uuid
 from qgis.PyQt.QtCore import QByteArray
 
+DOC_URL = "https://dataplotly-docs.readthedocs.io"
 
 def safe_str_xml(s):
     """ replaces spaces by .
diff --git a/DataPlotly/data_plotly.py b/DataPlotly/data_plotly.py
index 7ee0384e..08f45f60 100644
--- a/DataPlotly/data_plotly.py
+++ b/DataPlotly/data_plotly.py
@@ -28,6 +28,9 @@
 from qgis.core import QgsApplication, QgsExpression, QgsProject
 from qgis.gui import QgsGui
 
+# Help
+from DataPlotly.core.core_utils import DOC_URL
+
 # Import the code for the dialog
 from DataPlotly.gui.dock import DataPlotlyDockManager
 from DataPlotly.gui.gui_utils import GuiUtils
@@ -281,8 +284,7 @@ def unload(self):
     @staticmethod
     def open_help():
         """ Open the online help. """
-        QDesktopServices.openUrl(
-            QUrl('https://github.com/ghtmtt/DataPlotly/blob/master/README.md'))
+        QDesktopServices.openUrl(QUrl(DOC_URL))
 
     def loadPlotFromDic(self, plot_dic, dock_id='DataPlotly'):
         """
diff --git a/DataPlotly/gui/plot_settings_widget.py b/DataPlotly/gui/plot_settings_widget.py
index 3548ccc0..9ec9ec20 100644
--- a/DataPlotly/gui/plot_settings_widget.py
+++ b/DataPlotly/gui/plot_settings_widget.py
@@ -71,6 +71,7 @@
 )
 from qgis.utils import iface
 
+from DataPlotly.core.core_utils import DOC_URL
 from DataPlotly.core.plot_factory import PlotFactory
 from DataPlotly.core.plot_settings import PlotSettings
 from DataPlotly.gui.gui_utils import GuiUtils
@@ -586,8 +587,7 @@ def helpPage(self):
 
         self.help_view.load(QUrl(''))
         self.layouth.addWidget(self.help_view)
-        help_url = QUrl(
-            f'https://dataplotly-docs.readthedocs.io/en/latest/{self.ptype}.html')
+        help_url = QUrl(f'{DOC_URL}/en/latest/{self.ptype}.html')
         self.help_view.load(help_url)
 
     def resizeEvent(self, event):
diff --git a/DataPlotly/metadata.txt b/DataPlotly/metadata.txt
index 248171a5..a504114a 100644
--- a/DataPlotly/metadata.txt
+++ b/DataPlotly/metadata.txt
@@ -8,7 +8,7 @@ email=matteo.ghetta@gmail.com
 
 about=Draw D3 plots in QGIS
 
-homepage=https://github.com/ghtmtt/DataPlotly/blob/master/README.md
+homepage=https://dataplotly-docs.readthedocs.io
 tracker=https://github.com/ghtmtt/DataPlotly/issues
 repository=https://github.com/ghtmtt/DataPlotly
 # End of mandatory metadata