tools: Update the docs

Mention that the render command can produce png or tiff
images.

diff --git a/docs/reference/gtk/gtk4-rendernode-tool.rst b/docs/reference/gtk/gtk4-rendernode-tool.rst
index 0e771647871f5d6101b57c5069a2b3c68a919e0f..c9188de329e3e2d44be553c2a685fdca22c471a9 100644 (file)
--- a/docs/reference/gtk/gtk4-rendernode-tool.rst
+++ b/docs/reference/gtk/gtk4-rendernode-tool.rst
@@ -38,7 +38,7 @@ The ``show`` command displays the rendernode.
 Rendering
 ^^^^^^^^^
 
-The ``render`` command saves a rendering of the rendernode as a png image.
+The ``render`` command saves a rendering of the rendernode as a png ot tiff image.
 The name of the file to write can be specified as a second FILE argument.
 
 ``--renderer=RENDERER``