Update README

README.md

@@ -1,8 +1,8 @@
 # Goptimizer - downscales and optimizes images
 
-Goptimizer is a commandline utility written in Golang. It downscales and optimize existing images JPEG, PNG and Gif files.
+Goptimizer is a commandline utility written in Golang. It downscales and optimizes JPEG, PNG and Gif files.
 
-Image downscaling is done within Goptimize (`-m <width>x<height>`, see [Usage](#usage-options)), however optimization is done using the following additional tools (if they are installed):
+Image downscaling/rotation is done within goptimize (`-m <width>x<height>`, see [Usage](#usage-options)), however optimization is done using the following additional tools (if they are installed):
 
 - jpegoptim
 - jpegtran (`libjpeg-turbo-progs`)
@@ -28,25 +28,18 @@ It will also preserve (by default) the file's original modification times (`-p=f
 Usage: ./goptimize [options] <images>
 
 Options:
-  -gifsicle string
-        gifsicle binary (default "gifsicle")
-  -jpegoptim string
-        jpegoptim binary (default "jpegoptim")
-  -jpegtran string
-        jpegtran binary (default "jpegtran")
-  -m string
-        downscale to a maximum width & height in pixels (<width>x<height>)
-  -o string
-        output directory (default overwrites original)
-  -optipng string
-        optipng binary (default "optipng")
-  -p    preserve file modification times (default true)
-  -pngquant string
-        pngquant binary (default "pngquant")
-  -q int
-        quality - JPEG only (default 75)
-  -u    update to latest release
-  -v    show version number
+  -q, --quality int        quality, JPEG only (default 75)
+  -m, --max string         downscale to a maximum width & height in pixels (<width>x<height>)
+  -o, --out string         output directory (default overwrites original)
+  -p, --preserve           preserve file modification times (default true)
+  -u, --update             update to latest release
+  -v, --version            show version number
+  -h, --help               show help
+      --jpegtran string    jpegtran binary (default "jpegtran")
+      --jpegoptim string   jpegoptim binary (default "jpegoptim")
+      --gifsicle string    gifsicle binary (default "gifsicle")
+      --pngquant string    pngquant binary (default "pngquant")
+      --optipng string     optipng binary (default "optipng")
 ```