diff --git a/docs/index.rst b/docs/index.rst
index c290499a2..56d241edd 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -48,7 +48,7 @@ and high-level quantum programs. :ref:`Read more... <bloqs_library>`
    bloqs/index.rst
 
 
-:ref: `surface_code`
+:ref:`surface_code`
 ``qualtran.surface_code`` contains implementations of classes and routines useful for estimating
 the cost of running fault-tolerant quantum algorithms using surface codes for error correction.