diff --git a/modules/io/doc/mmcif.rst b/modules/io/doc/mmcif.rst
index 730ca1b8e97ed554287158184c9d9eb20283da37..23dc32f461a08cf1633362e60bb3b9c54ecb09af 100644
--- a/modules/io/doc/mmcif.rst
+++ b/modules/io/doc/mmcif.rst
@@ -638,7 +638,7 @@ of the annotation available.
 
   .. method:: GetChainIntervalList()
 
-    See :attr:`chainintervalls`
+    See :attr:`chainintervals`
 
   .. method:: GetOperations()