diff --git a/kitty/rc/base.py b/kitty/rc/base.py
index 8dd0f0dc6..6d8c483cd 100644
--- a/kitty/rc/base.py
+++ b/kitty/rc/base.py
@@ -82,6 +82,7 @@ PayloadGetType = PayloadGetter
 ArgsType = List[str]
 ImageCompletion = CompletionSpec.from_string('type:file group:"Images"')
 ImageCompletion.extensions = 'png', 'jpg', 'jpeg', 'webp', 'gif', 'bmp', 'tiff'
+SUPPORTED_IMAGE_FORMATS = tuple(x.upper() for x in ImageCompletion.extensions if x != 'jpg')
 
 
 MATCH_WINDOW_OPTION = '''\
diff --git a/kitty/rc/set_background_image.py b/kitty/rc/set_background_image.py
index 6d7691e90..2d89b0482 100644
--- a/kitty/rc/set_background_image.py
+++ b/kitty/rc/set_background_image.py
@@ -11,6 +11,7 @@ from kitty.utils import is_png
 
 from .base import (
     MATCH_WINDOW_OPTION,
+    SUPPORTED_IMAGE_FORMATS,
     ArgsType,
     Boss,
     CmdGenerator,
@@ -43,10 +44,10 @@ class SetBackgroundImage(RemoteCommand):
 
     short_desc = 'Set the background image'
     desc = (
-        'Set the background image for the specified OS windows. You must specify the path to a PNG image that'
+        'Set the background image for the specified OS windows. You must specify the path to an image that'
         ' will be used as the background. If you specify the special value :code:`none` then any existing image will'
-        ' be removed.'
-    )
+        ' be removed. Supported image formats are: '
+    ) + ', '.join(SUPPORTED_IMAGE_FORMATS)
     options_spec = f'''\
 --all -a
 type=bool-set
diff --git a/kitty/rc/set_window_logo.py b/kitty/rc/set_window_logo.py
index e68a9b355..20775cefa 100644
--- a/kitty/rc/set_window_logo.py
+++ b/kitty/rc/set_window_logo.py
@@ -11,6 +11,7 @@ from kitty.utils import is_png
 
 from .base import (
     MATCH_WINDOW_OPTION,
+    SUPPORTED_IMAGE_FORMATS,
     ArgsType,
     Boss,
     CmdGenerator,
@@ -39,10 +40,10 @@ class SetWindowLogo(RemoteCommand):
 
     short_desc = 'Set the window logo'
     desc = (
-        'Set the logo image for the specified windows. You must specify the path to a PNG image that'
+        'Set the logo image for the specified windows. You must specify the path to an image that'
         ' will be used as the logo. If you specify the special value :code:`none` then any existing logo will'
-        ' be removed.'
-    )
+        ' be removed. Supported image formats are: '
+    ) + ', '.join(SUPPORTED_IMAGE_FORMATS)
 
     options_spec = MATCH_WINDOW_OPTION + '''\n
 --self