diff --git a/docs/combo.models.rst b/docs/combo.models.rst
index 58d8cec..08bc0a1 100644
--- a/docs/combo.models.rst
+++ b/docs/combo.models.rst
@@ -12,7 +12,7 @@ combo.models.classifier\_comb module
    :inherited-members:
 
 combo.models.detector\_comb module
-------------------------------------
+----------------------------------
 
 .. automodule:: combo.models.detector_comb
    :members: