diff --git a/docs/compare.md b/docs/compare.md
index 3974847b..d5bc5355 100644
--- a/docs/compare.md
+++ b/docs/compare.md
@@ -208,6 +208,8 @@ The same test with sorting used significantly more memory (up to ~40MB) and took
 ## Usage details
 
 ```
+zsv compare -h
+
 Usage: compare [options] [file1.csv] [file2.csv] [...]
 Options:
   -h,--help          : show usage
@@ -242,4 +244,4 @@ NOTES
     superior. For handling quoted data, `2tsv` can be used to convert to a delimited
     format without quotes, that can be directly parsed with common UNIX utilities
     (such as `sort`), and `select --unescape` can be used to convert back
-```
+```
\ No newline at end of file