diff --git a/pygmt/src/grdfill.py b/pygmt/src/grdfill.py
index a45b21cebbd..e184bbf7353 100644
--- a/pygmt/src/grdfill.py
+++ b/pygmt/src/grdfill.py
@@ -131,7 +131,7 @@ def grdfill(
     replace the hole values. If no holes are found the original unchanged grid is
     returned.
 
-    Full option list at :gmt-docs:`grdfill.html`.
+    Wraps GMT module ``grdfill``, with full docs at :gmt-docs:`grdfill.html`.
 
     {aliases}