1 files changed, 1 insertions, 1 deletions
diff --git a/README.md b/README.md
index 94f980b3..bd82732e 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,6 @@ The Simple language is styled after a subset of C or Java.
 * [Chapter 18](docs/chapter18/README.md): Functions and calls.
 * [Chapter 19](docs/chapter19/README.md): Instruction selection and portable compilation
 * [Chapter 20](docs/chapter20/README.md): Graph Coloring Register Allocation
-* Chapter 21: Instruction Encodings & ELF
+* [Chapter 21](docs/chapter21/README.md): Instruction Encodings & ELF
 * Chapter 22: A Simple Hello, World!
 * Chapter 23: Strings, Methods