fix

Author: penelopeysm

docs/src/api.md

@@ -36,6 +36,12 @@ getargnames
 getmissings
 ```
 
+The context of a model can be set using [`contextualize`](@ref):
+
+```@docs
+contextualize
+```
+
 ## Evaluation
 
 With [`rand`](@ref) one can draw samples from the prior distribution of a [`Model`](@ref).