1 files changed, 1 insertions, 0 deletions
diff --git a/mdoc.7 b/mdoc.7
index c8f576ce..ec3ba477 100644
--- a/mdoc.7
+++ b/mdoc.7
@@ -2907,6 +2907,7 @@ This is not supported by mandoc.
 .Sh SEE ALSO
 .Xr man 1 ,
 .Xr mandoc 1 ,
+.Xr eqn 7 ,
 .Xr man 7 ,
 .Xr mandoc_char 7
 .Xr roff 7 ,