diff --git a/INDEX b/INDEX
index 75ad53e4..6c554afe 100644
--- a/INDEX
+++ b/INDEX
@@ -185,6 +185,7 @@ Mathematical methods for symbolic objects
  @sym/piecewise
  @sym/pinv
  @sym/pochhammer
+ @sym/pol2cart
  @sym/polylog
  @sym/potential
  @sym/prevprime
diff --git a/inst/@sym/cart2pol.m b/inst/@sym/cart2pol.m
index 2a130bcb..9ec2d9a7 100644
--- a/inst/@sym/cart2pol.m
+++ b/inst/@sym/cart2pol.m
@@ -66,7 +66,7 @@
 %% @end group
 %% @end example
 %%
-%% @seealso{cart2pol}
+%% @seealso{cart2pol, pol2cart}
 %% @end deftypemethod