Fix typo

Author: horia

INSTALL.md

@@ -409,6 +409,7 @@ doas -u vmail \
 ```
 
 List the z-Base-32 encoded SHA-1 hash of the mail address' local-part (i.e. key-submission):
+```sh
 doas -u vmail \
 	env -i HOME=/var/vmail \
 	gpg2 --with-wkd-hash -K key-submission@example.com
@@ -457,7 +458,7 @@ Or a hex listing:
 gpg-connect-agent --dirmngr --hex 'wkd_get puffy@example.com' /bye
 ```
 
-*n.b*: If the same local-part of an email address exists for multiple domains (e.g. **puffy**@example.com and **puffy**@example.net), the hash of the string will be the same and each key publication overwrites the same file. The *workaround* is using **+tags** to create a secondary UID (e.g. puffy**+enc**@example.com) for the key, and go through the process of key submission and confirmation using the MUA interface with the tagged email address (e.g. puffy**+enc**@example.com).
+*n.b*: If the same local-part of an email address exists for multiple domains (e.g. **puffy**@example.com and **puffy**@example.net), the hash of the string will be the same and each key publication overwrites the same file. The *workaround* is using **+tags** to create a secondary UID (e.g. puffy+enc@example.com) for the key, and go through the process of key submission and confirmation using the MUA interface with the tagged email address (e.g. puffy+enc@example.com).
 
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