Fix documentation margin/gap property

README.md

@@ -48,7 +48,7 @@ More examples in [example](example) directory.
 -   `widths` - array of width breakpoints in pixels (e.g. `[400, 800, 1200]`)
 -   `ratios` - array of aspect ratios. Its length has to be one greater than `widths` array (e.g. `[16/9, 32/9, 48/9, 64/9]` along with `widths` above would result in row of proportion at most 16:9 (e.g. one 16:9 image or two 9:16, etc.) for screen widths 0-400px, 32:9 for 400-800px, etc.)
 -   `percentVw` (default: 100) - percent of viewport width that gallery takes (used for image optimization, doesn't change how gallery looks)
--   `margin` (default: `"2px"`) - margin between images, needs to be valid css value (e.g. `"2px"`, `"2rem"`, etc.)
+-   `gap` (default: `"2px"`) - gap between images, needs to be valid css value (e.g. `"2px"`, `"2rem"`, etc.)
 -   `imgLoader` (default: next default loader) - image loader, see [next/image](https://nextjs.org/docs/api-reference/next/image#loader)
 -   `lastRowBehavior` (default: `"match-previous"`) - `"match-previous"`, `"fill"` or `"preserve"`. See [last row behavior](#last-row-behavior) section below.
 -   for other props available only for certain `lastRowBehavior` values see [last row behavior](#last-row-behavior) section below.