fix: readme typo

README.md

@@ -79,7 +79,7 @@ zoomSrc | String | | URL for the larger zoom image. Falls back to original image
 zoomScale | Number | 1 | Multiplied against the natural width and height of the zoomed image. This will generally be a decimal (example, 0.9 for 90%).
 zoomPreload | Boolean | false | If set to true, preloads the zoom image instead of waiting for mouseenter and (unless on a touch device) persists the image on mouseleave.
 alt | String | | Alternative text for the original image.
-title | String | | Title attribute for the original image..
+title | String | | Title attribute for the original image.
 moveType | String | pan | `pan` or `drag`. The user behavior for moving zoomed images on non-touch devices.
 zoomType | String | click | `click` or `hover`. The user behavior for triggering zoom. When using `hover`, combine with `zoomPreload` to avoid flickering on rapid mouse movements.
 fadeDuration | Number | 150 | Fade transition time in milliseconds. If zooming in on transparent images, set this to `0` for best results.