diff --git a/doc/build-unix.md b/doc/build-unix.md
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -200,7 +200,7 @@
 
 Boost
 -----
-For documentation on building Boost visit look at their official documentation: http://www.boost.org/build/doc/html/bbv2/installation.html
+For documentation on building Boost look at their official documentation: http://www.boost.org/build/doc/html/bbv2/installation.html
 
 Security
 --------