Updated docs to have choices for crypt_scheme

web_infrastructure/htpasswd

@@ -40,12 +40,13 @@ options:
     required: false
     description:
       - Password associated with user. 
-      - Must be specified if user does not exist yet
+      - Must be specified if user does not exist yet.
   crypt_scheme:
     required: false
+    choices: ["apr_md5_crypt", "des_crypt", "ldap_sha1", "plaintext"]
     default: "apr_md5_crypt"
     description:
-      - 'Encryption scheme to be used. One of: "apr_md5_crypt", "des_crypt", "ldap_sha1" or "plaintext"'
+      - Encryption scheme to be used.
   state:
     required: false
     choices: [ present, absent ]