diff --git a/README.md b/README.md
index e9968d1..2f5d277 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ if you _aren't_ using a debugger and want the runner to flash the firmware via U
 2. [Setup](#setup)
    2.1. [System Setup](#system-setup)
    2.2. [Probe Setup](#probe-setup)
-   2.2. [Hardware Setup](#hardware-setup)
+   2.3. [Hardware Setup](#hardware-setup)
 3. [Usage](#usage)
 4. [Runners](#runners)
 5. [Appendix](#appendix)