fix typo in sphinx .. index::

zingale · zingale · commit 2c0a703209ad · 2025-02-07T13:12:13.000-05:00
diff --git a/Docs/source/eos_implementations.rst b/Docs/source/eos_implementations.rst
@@ -188,7 +188,7 @@ the :math:`\gamma_i` for a specific species. The parameters are:
 ``polytrope``
 =============
 
-.. index:: eos.,polytrope_K, eos.polytrope_gamma, eos.polytrope_type, eos.polytrope_mu_e
+.. index:: eos.polytrope_K, eos.polytrope_gamma, eos.polytrope_type, eos.polytrope_mu_e
 
 ``polytrope`` represents a polytropic fluid, with equation of
 state:
