diff --git a/README.md b/README.md
index 9bdf5c3..2dcb75e 100644
--- a/README.md
+++ b/README.md
@@ -74,9 +74,7 @@ To build just [`nanoidgen(1)`][], run `make nanoidgen`. No `Makefile` required.
 
 ### [`nanoidgen(1)`][]
 
-```
-nanoidgen [length]
-```
+Usage: `nanoidgen [length]`
 
 [`calloc(3)`]: https://pubs.opengroup.org/onlinepubs/9799919799/functions/calloc.html
 [`getentropy(3)`]: https://pubs.opengroup.org/onlinepubs/9799919799/functions/getentropy.html
diff --git a/openbsd/README.md b/openbsd/README.md
index b761d0d..b49f90d 100644
--- a/openbsd/README.md
+++ b/openbsd/README.md
@@ -76,9 +76,7 @@ For details, consult `nanoid(3)` and `nanoidgen(1)` man pages.
 
 ### [`nanoidgen(1)`][]
 
-```
-nanoidgen [length]
-```
+Usage: `nanoidgen [length]`
 
 [`calloc(3)`]: https://man.openbsd.org/calloc.3
 [`getentropy(2)`]: https://man.openbsd.org/getentropy.2