diff --git a/doc/src/pair_cosine_squared.rst b/doc/src/pair_cosine_squared.rst
index a8cf206135..42e48a6641 100644
--- a/doc/src/pair_cosine_squared.rst
+++ b/doc/src/pair_cosine_squared.rst
@@ -54,7 +54,7 @@ between two point particles, where (:math:`\sigma, -\epsilon`) is the
 location of the (rightmost) minimum of the potential, as explained in
 the syntax section above.
 
-This potential was first used in (Cooke)_#CKD for a coarse-grained lipid
+This potential was first used in :ref:`(Cooke) <CKD>` for a coarse-grained lipid
 membrane model.  It is generally very useful as a non-specific
 interaction potential because it is fully adjustable in depth and width
 while joining the minimum at (sigma, -epsilon) and zero at (cutoff, 0)
@@ -63,7 +63,7 @@ energy calculations etc. This evidently requires *cutoff* to be larger
 than *sigma*\ .
 
 If the *wca* option is used then a Weeks-Chandler-Andersen potential
-(Weeks)_#WCA is added to the above specified cosine-squared potential,
+:ref:`(Weeks) <WCA>` is added to the above specified cosine-squared potential,
 specifically the following:
 
 .. math::