diff --git a/readme.md b/readme.md
index 2cc7711..56534c8 100644
--- a/readme.md
+++ b/readme.md
@@ -12,10 +12,10 @@ The goal of this document is to define jargon from functional programming in pla
 * [Higher-Order Functions (HOF)](#higher-order-functions-hof)
 * [Partial Application](#partial-application)
 * [Currying](#currying)
-* [Composition](#composition)
+* [Function Composition](#function-composition)
 * [Purity](#purity)
 * [Side effects](#side-effects)
-* [Idempotency](#idempotency)
+* [Idempotent](#idempotent)
 * [Point-Free Style](#point-free-style)
 * [Contracts](#contracts)
 * [Guarded Functions](#guarded-functions)