Fixed mdbook build.

NervousNullPtr · NervousNullPtr · commit 5f35487fb740 · 2025-12-19T12:06:18.000+01:00
diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
@@ -2,4 +2,4 @@
 
 - [Introduction](./introduction.md)
 - [Chapter I: First steps](./first_steps.md)
-- [Chapter II: Syntax and expressions][./syntax.md]
+- [Chapter II: Syntax and expressions](./syntax.md)
