diff --git a/app/models/constants/case_log.rb b/app/models/constants/case_log.rb
index db4c8aa9d..c4eab5674 100644
--- a/app/models/constants/case_log.rb
+++ b/app/models/constants/case_log.rb
@@ -233,7 +233,7 @@ module Constants::CaseLog
     "Universal Credit (without housing element)" => 7,
     "Housing benefit and Universal Credit (without housing element)" => 8,
     "None" => 9,
-    "Don't know" => 3,
+    "Don’t know" => 3,
     "Tenant prefers not to say" => 100,
   }.freeze
 
@@ -1075,7 +1075,7 @@ module Constants::CaseLog
     "Monthly" => 1,
     "Annually" => 2,
     "Tenant prefers not to say" => 3,
-    "Don't know" => 4,
+    "Don’t know" => 4,
   }.freeze
 
   HAS_BENEFITS_OPTIONS = ["Housing benefit",
diff --git a/app/models/validations/financial_validations.rb b/app/models/validations/financial_validations.rb
index fa05c3896..048957acf 100644
--- a/app/models/validations/financial_validations.rb
+++ b/app/models/validations/financial_validations.rb
@@ -34,7 +34,7 @@ module Validations::FinancialValidations
 
   def validate_tshortfall(record)
     is_yes = record.hbrentshortfall == "Yes"
-    hb_donotknow = record.hb == "Don't know"
+    hb_donotknow = record.hb == "Don’t know"
     hb_none = record.hb == "None"
     hb_uc_no_hb = record.hb == "Universal Credit (without housing element)"
 
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 6da00789f..9c88438a4 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1853,7 +1853,7 @@
                     "1": "Monthly",
                     "2": "Annually",
                     "divider_a": true,
-                    "3": "Don't know",
+                    "3": "Don’t know",
                     "4": "Tenant prefers not to say"
                   }
                 }
@@ -1956,7 +1956,7 @@
                     "3": "Universal Credit (without housing element)",
                     "4": "None",
                     "divider": true,
-                    "5": "Don't know",
+                    "5": "Don’t know",
                     "6": "Tenant prefers not to say"
                   }
                 }
@@ -2128,7 +2128,7 @@
                   "type": "numeric",
                   "width": 5,
                   "prefix": "£",
-                  "suffix": "every 2 weeks"
+                  "suffix": " every 2 weeks"
                 }
               },
               "depends_on" : [{
@@ -2165,7 +2165,7 @@
                   "type": "numeric",
                   "width": 5,
                   "prefix": "£",
-                  "suffix": "every 4 weeks"
+                  "suffix": " every 4 weeks"
                 }
               },
               "depends_on" : [{
@@ -2202,7 +2202,7 @@
                   "type": "numeric",
                   "width": 5,
                   "prefix": "£",
-                  "suffix": "month"
+                  "suffix": " every month"
                 }
               },
               "depends_on" : [{
@@ -2693,13 +2693,13 @@
                 "tshortfall": {
                   "check_answer_label": "Estimated outstanding amount",
                   "header": "What do you expect the amount to be?",
-                  "hint_text": "Give an estimated amount if you don't know the exact figure.",
+                  "hint_text": "Give an estimated amount if you don’t know the exact figure.",
                   "type": "numeric",
                   "min": 0,
                   "step": 1,
                   "width": 5,
                   "prefix": "£",
-                  "suffix": "every month"
+                  "suffix": " every month"
                 }
               },
               "depends_on": [{"has_benefits": "Yes",
diff --git a/config/locales/en.yml b/config/locales/en.yml
index d0c20ef64..3b7f95796 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -58,7 +58,7 @@ en:
 
     financial:
       tshortfall:
-        outstanding_amount_not_required: "You must not answer the outstanding amount question if you don't have outstanding rent or charges."
+        outstanding_amount_not_required: "You must not answer the outstanding amount question if you don’t have outstanding rent or charges."
       hbrentshortfall:
         outstanding_no_benefits: "Outstanding amount for basic rent and/or benefit eligible charges can not be 'Yes' if tenant is not in receipt of housing benefit or universal benefit or if benefit is unknown"
       benefits:
diff --git a/spec/models/case_log_spec.rb b/spec/models/case_log_spec.rb
index 6c339650b..42c76ecf5 100644
--- a/spec/models/case_log_spec.rb
+++ b/spec/models/case_log_spec.rb
@@ -123,7 +123,7 @@ RSpec.describe Form, type: :model do
     end
 
     context "reason for leaving last settled home validation" do
-      it "Reason for leaving must be don't know if reason for leaving settled home (Q9a) is don't know." do
+      it "Reason for leaving must be don’t know if reason for leaving settled home (Q9a) is don’t know." do
         expect {
           CaseLog.create!(reason: "Don’t know",
                           underoccupation_benefitcap: "Yes - benefit cap",