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docs/src/families.md

@@ -57,6 +57,7 @@ MeanFieldGaussian
 ```
 
 ### [Scale Projection Operator](@id projectscale)
+
 For the location scale, it is often the case that optimization is stable only when the smallest eigenvalue of the scale matrix is strictly positive[^D2020].
 To ensure this, we provide the following wrapper around optimization rule: