update tip (#5945)

website/docs/docs/build/metricflow-time-spine.md

@@ -12,8 +12,9 @@ MetricFlow requires you to define a time spine table as a project level configur
 
 If you already have a date dimension or time spine table in your dbt project, you can point MetricFlow to this table by updating the `model` configuration to use this table in the Semantic Layer. For example, given the following directory structure, you can create two time spine configurations, `time_spine_hourly` and `time_spine_daily`. 
 
-::tip 
+:::tip 
 Previously, you were required to create a model called `metricflow_time_spine` in your dbt project. This is no longer required. However, you can build your time spine model from this table if you don't have another date dimension table you want to use in your project.
+
 :::
 
 <Lightbox src="/img/time_spines.png" title="Time spine directory structure" />