diff --git a/docs/src/manual/detector.md b/docs/src/manual/detector.md
index 81a2461d2b8494e7b36ffd9509601a110897f3bd..669f35fe5dfa74713f6062a51395967d7e91b2e9 100644
--- a/docs/src/manual/detector.md
+++ b/docs/src/manual/detector.md
@@ -47,6 +47,9 @@ using KM3DB
 det = Detector(133)
 ```
 
+Keyword arguments passed as `Detector(det_id; kwarg1=..., kwarg2=..., ...)` are
+handed over to the `detx()` function in `KM3DB.jl`.
+
 ## Accessing Modules
 
 ### Iterating over all modules