diff --git a/python/pluginResources/messages/PyBundle.properties b/python/pluginResources/messages/PyBundle.properties
index 6fb7336d0c70..88eba4634246 100644
--- a/python/pluginResources/messages/PyBundle.properties
+++ b/python/pluginResources/messages/PyBundle.properties
@@ -742,9 +742,9 @@ console.table.failed.to.load=Failed to load:
 form.debugger.save.call.signatures=Save call signatures
 
 compile.cython.extensions.title=Compile Cython extensions
-compile.cython.extensions.help=How does it work
+compile.cython.extensions.help=How does it work<a href=\"https://www.jetbrains.com/help/pycharm/cython-speedups.html\" target=\"_blank\">Learn more \u2197</a>
 compile.cython.extensions.install=Install
-compile.cython.extensions.notification=Python Debugger Extension Available
+compile.cython.extensions.notification=Python debugger extension available
 compile.cython.extensions.error=Compile Cython Extensions Error
 
 run.debug.shadowing.name.import.error.title=Looks like {0} shadows standard library file name. This may cause unexpected Run/Debug action behavior
@@ -863,7 +863,7 @@ debugger.dataViewer.switch.between.tables.gotIt.link=Switch mode
 debugger.remote.waiting.for.process.connection=Waiting for process connection\u2026
 debugger.remote.waiting.for.connection=Waiting for connection
 debugger.cython.python.run.configuration.should.be.selected=Python Run Configuration should be selected
-debugger.cython.extension.speeds.up.python.debugging=Cython extension speeds up Python debugging
+debugger.cython.extension.speeds.up.python.debugging=Cython extension speeds up Python debugging<br><a href=\"https://www.jetbrains.com/help/pycharm/cython-speedups.html\" target=\"_blank\">Learn more \u2197</a>
 debugger.cython.extension.permission.denied=Permission denied
 debugger.cython.extension.gcc=Command 'gcc' failed with exit status 1
 debugger.cython.extension.gcc.failed=\n\nInstall a C compiler in order to build Cython extensions for the debugger.\n
diff --git a/python/pydevSrc/src/com/jetbrains/python/debugger/pydev/RemoteDebugger.java b/python/pydevSrc/src/com/jetbrains/python/debugger/pydev/RemoteDebugger.java
index 27cd3150e9ea..424d862cafc7 100644
--- a/python/pydevSrc/src/com/jetbrains/python/debugger/pydev/RemoteDebugger.java
+++ b/python/pydevSrc/src/com/jetbrains/python/debugger/pydev/RemoteDebugger.java
@@ -589,7 +589,7 @@ public class RemoteDebugger implements ProcessDebugger {
       }
     }
     catch (Throwable t) {
-      // shouldn't interrupt reader thread
+      // shouldn't interrupt the reader thread
       LOG.error(t);
     }
   }
diff --git a/python/src/com/jetbrains/python/debugger/PyCythonExtensionWarning.java b/python/src/com/jetbrains/python/debugger/PyCythonExtensionWarning.java
index e54c7e9da0e8..246a78f9df75 100644
--- a/python/src/com/jetbrains/python/debugger/PyCythonExtensionWarning.java
+++ b/python/src/com/jetbrains/python/debugger/PyCythonExtensionWarning.java
@@ -8,7 +8,10 @@ import com.intellij.execution.configurations.GeneralCommandLine;
 import com.intellij.execution.configurations.RunConfiguration;
 import com.intellij.execution.process.*;
 import com.intellij.execution.util.ExecUtil;
+import com.intellij.ide.IdeBundle;
 import com.intellij.notification.Notification;
+import com.intellij.notification.NotificationAction;
+import com.intellij.notification.NotificationListener;
 import com.intellij.notification.NotificationType;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
@@ -56,8 +59,18 @@ public final class PyCythonExtensionWarning {
                        PyBundle.message("debugger.cython.extension.speeds.up.python.debugging"),
                        NotificationType.INFORMATION);
     notification.setSuggestionType(true);
+    notification.setListener(NotificationListener.URL_OPENING_LISTENER);
+
     notification.addAction(createInstallAction(notification, project));
-    notification.addAction(createDocsAction());
+
+    notification.addAction(new NotificationAction(IdeBundle.message("label.dont.show")) {
+      @Override
+      public void actionPerformed(@NotNull AnActionEvent e, @NotNull Notification notification) {
+        notification.setDoNotAskFor(null);
+        notification.expire();
+      }
+    });
+    notification.configureDoNotAskOption("CythonDebuggerExtensionAvailable", PyBundle.message("compile.cython.extensions.notification"));
     notification.notify(project);
   }
 
@@ -72,16 +85,6 @@ public final class PyCythonExtensionWarning {
     };
   }
 
-  private static AnAction createDocsAction() {
-    return new DumbAwareAction(PyBundle.message("compile.cython.extensions.help")) {
-
-      @Override
-      public void actionPerformed(@NotNull AnActionEvent e) {
-        HelpManager.getInstance().invokeHelp("Cython_Speedups");
-      }
-    };
-  }
-
   private static boolean shouldSuppressNotification(@NotNull Project project) {
     if (ProjectUtil.isNotificationSilentMode(project)) return true;
     final RunManager runManager = RunManager.getInstance(project);