diff --git a/src/generics.md b/src/generics.md
index 61f7925f..ed787eb5 100644
--- a/src/generics.md
+++ b/src/generics.md
@@ -1,4 +1,5 @@
 # Generics
 
-Rust support generics, which lets you abstract an algorithm (such as sorting)
-over the types used in the algorithm.
+Rust support generics, which lets you abstract algorithms or data structures
+(such as sorting or a binary tree)
+over the types used or stored.