diff --git a/src/utils.jl b/src/utils.jl
index c0078ea..75bf6d9 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -63,10 +63,10 @@ end
     new_derived_named_parameter(variable, value, extra::String, suffix = true)
 
 If `value isa Num` return `value`.
-If `value isa `[`LiteralParameter`](@ref), replace it with its literal value.
+If `value isa LiteralParameter`, replace it with its literal value.
 Otherwise, create a new MTK `@parameter`
-whose name is created from `variable` by adding the `extra` string.
-If `suffix == true` the extra is added at the end after a `_`. Otherwise
+whose name is created from `variable` (which could also be just a `Symbol`) by adding the `extra` string.
+If `suffix == true` the `extra` is added at the end after a `_`. Otherwise
 it is added at the start, then a `_` and then the variable name.
 
 For example,