diff --git a/docs/src/accessing.md b/docs/src/accessing.md
index e09ea10..2d59bd5 100644
--- a/docs/src/accessing.md
+++ b/docs/src/accessing.md
@@ -24,7 +24,7 @@ sort!(chr)
 
 Existing features can be removed using `delete!`:
 ```@docs
-delete!(::Gene)
+delete!(::AbstractGene)
 delete!(::AbstractVector{Gene})
 ```