CLDC-1178: add PDF text to link

config/forms/2021_2022.json

@@ -1114,7 +1114,7 @@
     },
     "household": {
       "label": "About the household",
-      "description": "Make sure the tenant has seen <a class=\"govuk-link\" href=\"/privacy-notice\">the Department for Levelling Up, Housing & Communities (DLUHC) privacy notice</a> before completing this section.",
+      "description": "Make sure the tenant has seen <a class=\"govuk-link\" href=\"/privacy-notice\">the Department for Levelling Up, Housing & Communities (DLUHC) privacy notice (PDF)</a> before completing this section.",
       "subsections": {
         "household_characteristics": {
           "label": "Household characteristics",