diff --git a/zdev/man/lszdev.8 b/zdev/man/lszdev.8
index 7604632f..2c3a1715 100644
--- a/zdev/man/lszdev.8
+++ b/zdev/man/lszdev.8
@@ -452,7 +452,7 @@ Print only minimal run-time information.
 List the persistent configuration from the specified site only.
 
 The resulted persistent configuration details are filtered based on the
-.ID SITE-ID
+.I SITE-ID
 value. The site specific information can be found in a basic lszdev output.
 For example, the PERS column may show "s+" which indicates that the device
 has multiple configurations for multiple sites, and "sn" where 'n' is an