update to link within the book

nikomatsakis · nikomatsakis · commit 180bc547738f · 2018-01-31T11:34:25.000-05:00
diff --git a/src/high-level-overview.md b/src/high-level-overview.md
@@ -135,4 +135,5 @@ take:
 6. **Linking**
     - Finally, those `.o` files are linked together.
 
-[query model]: https://github.com/rust-lang/rust/blob/master/src/librustc/ty/maps/README.md
+
+[query model]: query.html
