doc: corrected typo

README.md

@@ -32,7 +32,7 @@ triangles = delaunay.Init(width, height).Insert(points).GetTriangles()
 - [x] Supports various image types.
 - [x] There is no need to specify the file type, the CLI tool can recognize automatically the input and output file type.
 - [x] Can accept image URL as parameter for the `-in` flag.
-- [x] Possibility to save the generated image as an **SGV** file.
+- [x] Possibility to save the generated image as an **SVG** file.
 - [x] The generated SVG file can be accessed from the Web browser directly.
 - [x] Clean and intuitive API. The API not only that accepts image files but can also work with image data. This means that the [`Draw`](https://github.com/esimov/triangle/blob/65672f53a60a6a35f5e85bed69e46e97fe2d2def/process.go#L82) method can be invoked even on data streams. Check this [demo](https://github.com/esimov/pigo-wasm-demos#face-triangulator) for reference.
 - [x] Support for pipe commands (possibility to pipe in and pipe out the source and destination image).