diff --git a/BIND-9-Memory-Explained.md b/BIND-9-Memory-Explained.md
index c39b48f..2aba0a7 100644
--- a/BIND-9-Memory-Explained.md
+++ b/BIND-9-Memory-Explained.md
@@ -153,7 +153,7 @@ export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2 # you don't need th
 /usr/sbin/named # use your normal options and configuration that you use in production
 ```
 
-You'll probably need to fine tune the `lg_prof_interval` and `lg_prof_sample` numbers (it's **log base 2**) to get the desired file size.
+You'll probably need to fine tune the [`lg_prof_interval`](http://jemalloc.net/jemalloc.3.html#opt.lg_prof_interval) and [`lg_prof_sample`](http://jemalloc.net/jemalloc.3.html#opt.lg_prof_sample) numbers (it's **log base 2**) to get the desired file size.
 
 After running the benchmark or the regular workload, you should end up with bunch of `jeprof.<pid>.<m>.i<n>.heap` files. Pick the latest and run: