diff --git a/doc/source/formats.rst b/doc/source/formats.rst
index bc481cc..943c3d5 100644
--- a/doc/source/formats.rst
+++ b/doc/source/formats.rst
@@ -116,3 +116,8 @@ OBIIntColumn header file
 
 .. doxygenfile:: obiintcolumn.h
 
+
+OBIColumn header file
+=====================
+
+.. doxygenfile:: obicolumn.h