fixes on overview and nodeview

Author: AlexNti

src/components/discover-cloud/contants.js

@@ -26,15 +26,15 @@ export const TabsContent = {
     text: () => (
       <>
         <TabsContentText>
-          "The single node view you are currently using will of course be available on Netdata Cloud
+          The single node view you are currently using will of course be available on Netdata Cloud
           as well. In addition, the charts and visualization on Netdata Cloud will be more flexible
           and powerful for troubleshooting than what is available on the agent.
         </TabsContentText>
         <TabsContentText>
           Netdata Cloud also comes with the Metric Correlations feature that lets you quickly find
           metrics and charts related to a particular window of interest that you want to explore
           further. By displaying the standard Netdata dashboard, filtered to show only charts that
-          are relevant to the window of interest, you can get to the root cause sooner."
+          are relevant to the window of interest, you can get to the root cause sooner.
         </TabsContentText>
       </>
     ),
@@ -66,7 +66,7 @@ export const TabsContent = {
       </>
     ),
     icon: "room_overview",
-    image: "images/Overview.png",
+    image: "images/overview.png",
   },
   Nodes: {
     id: "Nodes",