diff --git a/README b/README
index 3e8f4a5df8e0e8f4715621fbf2003cdb036d18f6..61351aea084a9c9335952b7c68741ca70cd9cb21 100644
--- a/README
+++ b/README
@@ -15,7 +15,7 @@ Optional packages:
 * lmdb               (for persistent events for slave zones)
 
 Dependencies for building documentation:
-* texinfo
+* python-sphinx
 
 Installation
 ============