do unique

Author: lazarusA

docs/src/dimensions.md

@@ -30,7 +30,7 @@ val(X(1))
 DimensionalData.jl uses `Dimensions` everywhere: 
 
 - `Dimension`s are returned from `dims` to specify the names of the dimensions of an object
-- They can wrap [`Lookups`](@ref) to associate the lookups with those names
+- They can wrap [`Dimensions.Lookups`](@ref) to associate the lookups with those names
 - To index into these objects, they can wrap indices like `Int` or a `Selector` 
 
 This symmetry means we can ignore how data is organized, 

docs/src/object_modification.md

@@ -76,7 +76,7 @@ dimensions into a single combined dimension with a lookup holding
 `Tuples` of the values of both dimensions.
 
 
-## `rebuild`
+## `rebuild`(@id sec-rebuild)
 
 [`rebuild`](@ref) is one of the core functions of DimensionalData.jl.
 Basically everything uses it somewhere. And you can too, with a few caveats.