Fix typo (#26988)

docs/docsite/rst/playbooks_vault.rst

@@ -136,7 +136,7 @@ As of version 2.3, Ansible can now use a vaulted variable that lives in an other
     other_plain_text: othervalue
 
 
-This vaulted variable be decrypted with the supplied vault secret and used as a normal variable. The ``ansible-vault`` command line supports stdin and stdout for encrypting data on the fly, which can be used from your favorite editor to create these vaulted variables; you just have to be sure to add the ``!vault`` tag so both Ansible and YAML are aware of the need to decrypt. The ``|`` is also required, as vault encryption results in a multi-line string.
+This vaulted variable will be decrypted with the supplied vault secret and used as a normal variable. The ``ansible-vault`` command line supports stdin and stdout for encrypting data on the fly, which can be used from your favorite editor to create these vaulted variables; you just have to be sure to add the ``!vault`` tag so both Ansible and YAML are aware of the need to decrypt. The ``|`` is also required, as vault encryption results in a multi-line string.
 
 
 .. _speeding_up_vault: