1 files changed, 1 insertions, 0 deletions

diff --git a/INSTALL b/INSTALL
index 8de0fa6..986ee84 100644
--- a/INSTALL
+++ b/INSTALL
@@ -24,6 +24,7 @@ Libraries:
 Tools:
 - A C++11 compiler.
 - CMake
+- ronn (optional) to build the man page
 
 
 ==============