Prettify markdown in docs in v8.1.x (#37647)

docs/sources/shared/visualizations/change-axis-link.md

@@ -4,4 +4,4 @@ title: Stack series link
 
 ## Axis
 
-For full instructions, refer to [Change axis display]({{< relref "../../panels/visualizations/time-series/change-axis-display.md" >}}).
+For full instructions, refer to [Change axis display]({{< relref "../../panels/visualizations/time-series/change-axis-display.md" >}}).

docs/sources/shared/visualizations/legend-mode.md

@@ -15,4 +15,4 @@ Use these settings to refine how the legend appears in your visualization.
 Choose where to display the legend.
 
 - **Bottom -** Below the graph.
-- **Right -** To the right of the graph.
+- **Right -** To the right of the graph.

docs/sources/shared/visualizations/stack-series-link.md

@@ -4,4 +4,4 @@ title: Stack series link
 
 ### Stack series
 
-For full instructions, refer to [Graph stacked time series]({{< relref "../../panels/visualizations/time-series/graph-time-series-stacking.md" >}}).
+For full instructions, refer to [Graph stacked time series]({{< relref "../../panels/visualizations/time-series/graph-time-series-stacking.md" >}}).