diff --git a/galleries/plot_types/arrays/README.rst b/galleries/plot_types/arrays/README.rst
index d9dbfd10ead7..aba457a69940 100644
--- a/galleries/plot_types/arrays/README.rst
+++ b/galleries/plot_types/arrays/README.rst
@@ -1,7 +1,7 @@
 .. _array_plots:
 
-Gridded data:
--------------
+Gridded data
+------------
 
 Plots of arrays and images :math:`Z_{i, j}` and fields :math:`U_{i, j}, V_{i, j}`
 on `regular grids <https://en.wikipedia.org/wiki/Regular_grid>`_ and