diff --git a/docs/src/functions.md b/docs/src/functions.md
index e98905d2..4ae55c8e 100644
--- a/docs/src/functions.md
+++ b/docs/src/functions.md
@@ -5,7 +5,7 @@ CurrentModule = KiteModels
 Most of the functions work on a KPS3 object. For this, the variable s is used.
 Such a variable can be created with the lines:
 ```julia
-using KiteUtils, KitePodSimulator
+using KiteModels, KitePodSimulator
 const s = KPS3(KCU())
 ```
 
diff --git a/src/KiteModels.jl b/src/KiteModels.jl
index a146a207..c1e0f816 100644
--- a/src/KiteModels.jl
+++ b/src/KiteModels.jl
@@ -173,9 +173,9 @@ $(TYPEDFIELDS)
     depower::S =           0.0
     steering::S =          0.0
     "initial masses of the point masses"
-    initial_masses::MVector{P, SimFloat} = ones(P)
+    initial_masses::MVector{P, S} = ones(P)
     "current masses, depending on the total tether length"
-    masses::MVector{P, SimFloat}         = ones(P)
+    masses::MVector{P, S}         = ones(P)
 end
 
 """