diff --git a/src/doc/reference.md b/src/doc/reference.md
index 8e655ee22e3..4c5fd31b96e 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -3328,6 +3328,10 @@ The primitive types are the following:
 * The boolean type `bool` with values `true` and `false`.
 * The machine types (integer and floating-point).
 * The machine-dependent integer types.
+* Arrays
+* Tuples
+* Slices
+* Function pointers
 
 #### Machine types