correct the word 'precedence' in line 198
* When using the CLI:
1. Use an output path via `-o`/`--output` to rebase URLs as relative to the output file.
2. Use a root path via `-r`/`--root` to rebase URLs as absolute from the given root path.
- 3. If you specify both then `-r`/`--root` takes precendence.
+ 3. If you specify both then `-r`/`--root` takes precedence.
* When using clean-css as a library:
1. Use a combination of `relativeTo` and `target` options for relative rebase (same as 1 in CLI).
2. Use a combination of `relativeTo` and `root` options for absolute rebase (same as 2 in CLI).