Fixed typo in vault documentation (#73666)

Example variable was named `my_encrytped_var`. Renamed it to `my_encrypted_var`.

docs/docsite/rst/user_guide/vault.rst

@@ -42,7 +42,7 @@ If you use multiple vault passwords, you can differentiate one password from ano
 
 When you pass a vault ID as an option to the :ref:`ansible-vault` command, you add a label (a hint or nickname) to the encrypted content. This label documents which password you used to encrypt it. The encrypted variable or file includes the vault ID label in plain text in the header. The vault ID is the last element before the encrypted content. For example::
 
-    my_encrytped_var: !vault |
+    my_encrypted_var: !vault |
               $ANSIBLE_VAULT;1.2;AES256;dev
               30613233633461343837653833666333643061636561303338373661313838333565653635353162
               3263363434623733343538653462613064333634333464660a663633623939393439316636633863