diff --git a/src/SpatialDiscretizations/SpatialDiscretizations.jl b/src/SpatialDiscretizations/SpatialDiscretizations.jl
index bdfb400b..fb5abcb6 100644
--- a/src/SpatialDiscretizations/SpatialDiscretizations.jl
+++ b/src/SpatialDiscretizations/SpatialDiscretizations.jl
@@ -178,7 +178,7 @@ following fields:
   transformation (either `ReferenceMapping` or `NoMapping`); if such a mapping is used (i.e. not `NoMapping`), the discrete derivative operators approximate partial derivatives 
   with respect to components of the collapsed coordinate system
 Outer constructors are provided to construct the discrete operators by dispatching on each
-combination of subtypes of AbstractApproximationType` and `AbstractElementShape`. 
+combination of subtypes of `AbstractApproximationType` and `AbstractElementShape`. 
 """
 struct ReferenceApproximation{RefElemType,
     ApproxType,