[v10.0.x] Docs: Fix broken link (#74469)

Docs: Fix broken link (#74410)

* fixes #68263

* Update docs/sources/panels-visualizations/visualizations/time-series/index.md

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* Update docs/sources/panels-visualizations/visualizations/time-series/index.md

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

---------

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>
(cherry picked from commit 0fd19e6e3c)

Co-authored-by: David Allen <david.allen@grafana.com>

docs/sources/panels-visualizations/visualizations/time-series/index.md

@@ -95,7 +95,7 @@ Gradient mode specifies the gradient fill, which is based on the series color. T
 - **None:** No gradient fill. This is the default setting.
 - **Opacity:** An opacity gradient where the opacity of the fill increases as Y-axis values increase.
 - **Hue:** A subtle gradient that is based on the hue of the series color.
-- **Scheme:** A color gradient defined by your [Color scheme]({{< relref "../../configure-standard-options/#color-scheme" >}}). This setting is used for the fill area and line. For more information about scheme, refer to [Scheme gradient mode]({{< relref "#cheme-gradient-mode"  >}}).
+- **Scheme:** A color gradient defined by your [Color scheme]({{< relref "../../configure-standard-options/#color-scheme" >}}). This setting is used for the fill area and line. For more information about scheme, refer to [Scheme gradient mode]({{< relref "#scheme-gradient-mode"  >}}).
 
 Gradient appearance is influenced by the **Fill opacity** setting. The following image show, the **Fill opacity** is set to 50.
 
@@ -148,7 +148,7 @@ Choose how null values, which are gaps in the data, appear on the graph. Null va
 
 ### Stack series
 
-_Stacking_ allows Grafana to display series on top of each other. Be cautious when using stacking in the visualization as it can easily create misleading graphs. To read more about why stacking might not be the best approach, refer to [Stacked Area Graphs Are Not Your Friend](https://everydayanalytics.ca/2014/08/stacked-area-graphs-are-not-your-friend.html).
+_Stacking_ allows Grafana to display series on top of each other. Be cautious when using stacking in the visualization as it can easily create misleading graphs. To read more about why stacking might not be the best approach, refer to [The issue with stacking](https://www.data-to-viz.com/caveat/stacking.html).
 
 ![Stack option](/static/img/docs/time-series-panel/stack-option-v9.png)