diff --git a/content/tutorials/manage-the-rippled-server/build-run-rippled-ubuntu.md b/content/tutorials/manage-the-rippled-server/build-run-rippled-ubuntu.md
index 6182a2bfed..dcfc0f8940 100644
--- a/content/tutorials/manage-the-rippled-server/build-run-rippled-ubuntu.md
+++ b/content/tutorials/manage-the-rippled-server/build-run-rippled-ubuntu.md
@@ -38,7 +38,7 @@ These instructions use Ubuntu's APT (Advanced Packaging Tool) to install the sof
 
 4. Compile Boost.
 
-    The recommended Boost version is 1.67.0. Because Boost version 1.67.0 isn't available in the Ubuntu 16.04 software repositories, you must compile it yourself.
+    Version 1.1.0 of `rippled` requires Boost version 1.67.0 exactly. Because Boost version 1.67.0 isn't available in the Ubuntu 16.04 software repositories, you must compile it yourself.
 
     If you have previously built Boost 1.67.0 for `rippled` and configured the `BOOST_ROOT` environment variable, you can skip these steps.