diff --git a/data/projects/mfd0816/index.sad b/data/projects/mfd0816/index.sad
index 52ae216..eabf0f8 100644
--- a/data/projects/mfd0816/index.sad
+++ b/data/projects/mfd0816/index.sad
@@ -15,7 +15,7 @@ The MFD-0816 is a 16-bit fantasy CPU and based on the intel 8088.
 {$begin-section} links
 {$sub-head} links
 * <a href="/projects/mfd0816/VERSION1_DESIGN">[Version 1] Design</a><br>
-* <a href="/projects/mfd0816_VERSION1_INSTRUCTIONS">[Version 1] Instruction Set Reference </a><br>
+* <a href="/projects/mfd0816/VERSION1_INSTRUCTIONS">[Version 1] Instruction Set Reference </a><br>
 * <a href="https://github.com/FelixEcker/mfd0816">GitHub</a><br>
 {$end-section}
 {$end-section}