diff --git a/modules/graphics/types/Image.lua b/modules/graphics/types/Image.lua
index 0183aaa..60e7cc0 100644
--- a/modules/graphics/types/Image.lua
+++ b/modules/graphics/types/Image.lua
@@ -60,6 +60,7 @@ return {
                             type = 'number',
                             name = 'slice',
                             description = 'Which cubemap face, array index, or volume layer to replace, if applicable.',
+                            default = '1',
                         },
                         {
                             type = 'number',
@@ -83,10 +84,11 @@ return {
                             type = 'boolean',
                             name = 'reloadmipmaps',
                             description = 'Whether to generate new mipmaps after replacing the Image\'s pixels. True by default if the Image was created with automatically generated mipmaps, false by default otherwise.',
+                            default = 'false',
                         },
                     },
                 },
             },
         },
     },
-}
\ No newline at end of file
+}