diff --git a/src/Trixi.jl b/src/Trixi.jl
index 4507497ddb..5bdaaa177c 100644
--- a/src/Trixi.jl
+++ b/src/Trixi.jl
@@ -253,6 +253,7 @@ export ControllerThreeLevel, ControllerThreeLevelCombined,
        IndicatorNeuralNetwork, NeuralNetworkPerssonPeraire, NeuralNetworkRayHesthaven,
        NeuralNetworkCNN
 
+# TODO: TrixiShallowWater: move new limiter
 export PositivityPreservingLimiterZhangShu, PositivityPreservingLimiterShallowWater
 
 export trixi_include, examples_dir, get_examples, default_example,
diff --git a/src/equations/shallow_water_1d.jl b/src/equations/shallow_water_1d.jl
index 26ebabf0bd..891b96ceb1 100644
--- a/src/equations/shallow_water_1d.jl
+++ b/src/equations/shallow_water_1d.jl
@@ -6,7 +6,7 @@
 #! format: noindent
 
 @doc raw"""
-    ShallowWaterEquations1D(gravity, H0, threshold_limiter, threshold_wet)
+    ShallowWaterEquations1D(; gravity, H0 = 0, threshold_limiter = nothing threshold_wet = nothing)
 
 Shallow water equations (SWE) in one space dimension. The equations are given by
 ```math
diff --git a/src/equations/shallow_water_2d.jl b/src/equations/shallow_water_2d.jl
index c42f1e0683..900cb141c7 100644
--- a/src/equations/shallow_water_2d.jl
+++ b/src/equations/shallow_water_2d.jl
@@ -6,7 +6,7 @@
 #! format: noindent
 
 @doc raw"""
-    ShallowWaterEquations2D(gravity, H0, threshold_limiter, threshold_wet)
+    ShallowWaterEquations2D(; gravity, H0 = 0, threshold_limiter = nothing, threshold_wet = nothing)
 
 Shallow water equations (SWE) in two space dimensions. The equations are given by
 ```math