diff --git a/FAQ.md b/FAQ.md
index 00b659d..65b1b1d 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -10,7 +10,7 @@
   * [What's the best way to use the library?](#whats-the-best-way-to-use-the-library)
   * [How to write a function that works with both `JsonArray` and `JsonObject`?](#how-to-write-a-function-that-works-with-both-jsonarray-and-jsonobject)
 * [Part 2 - Serialization questions](#part-2---serialization-questions)
-  * [How to compute the JSON length?](#how-to-compute-the-JSON-length)
+  * [How to compute the JSON length?](#how-to-compute-the-json-length)
   * [How to create complex nested objects?](#how-to-create-complex-nested-objects)
   * [The first serialization succeeds, why do the next ones fail?](#the-first-serialization-succeeds-why-do-the-next-ones-fail)
 * [Part 3 - Deserialization questions](#part-3---deserializationparsing-questions)