Update performance.md

lemire · web-flow · commit c11f7ce54f5f · 2020-06-24T20:41:06.000-04:00
diff --git a/doc/performance.md b/doc/performance.md
@@ -175,5 +175,5 @@ The simdjson library does not currently support AVX-512 instructions and it does
 Further Reading
 -------------
 
-* [Implementation Selection](doc/implementation-selection.md) describes runtime CPU detection and
-  how you can work with it.
+* [Implementation Selection](implementation-selection.md) describes runtime CPU detection and
+  how you can work with it.
