Update README.md

Author: initialcommit-io

README.md

@@ -128,7 +128,7 @@ The `[global options]` apply to the overarching `git-sim` simulation itself, inc
 Animation-only global options (to be used in conjunction with `--animate`):
 
 `--video-format`: Output format for the video file, i.e. `mp4` or `webm`. Default output format is `mp4`.  
-`--speed=n`: Set the multiple of animation speed of the output simulation, `n` can be an integer or float, default is 1.5.
+`--speed=n`: Set the multiple of animation speed of the output simulation, `n` can be an integer or float, default is 1.5.  
 `--low-quality`: Render the animation in low quality to speed up creation time, recommended for non-presentation use.  
 `--show-intro`: Add an intro sequence with custom logo and title.  
 `--show-outro`: Add an outro sequence with custom logo and text.