update alt description; power-monitoring-and-control

Author: Nadia-JSch

docs/infrastructure-management/power-and-environmental-monitoring/power-monitoring-and-control.mdx

@@ -27,7 +27,7 @@ You can view the visualizations under the **Power Charts** tab from any rack wit
 Here you can see the last 24 hours of power data for each infeed and outlet for each PDU in the rack. If you want to look at a different time (for example, the last week, month, or year), click the **Show Settings** button.
 
 <ThemedImage
-  alt="Connectivity tab example"
+  alt="Rack settings"
   sources={{
     light: useBaseUrl('/assets/images/power-monitoring-and-control/rack-power-settings-light.png'),
     dark: useBaseUrl('/assets/images/power-monitoring-and-control/rack-power-settings-dark.png'),