diff --git a/application/views/questionAdministration/answerOptionRow.twig b/application/views/questionAdministration/answerOptionRow.twig
index dbbadaf5f9e..7ed333dd023 100644
--- a/application/views/questionAdministration/answerOptionRow.twig
+++ b/application/views/questionAdministration/answerOptionRow.twig
@@ -55,6 +55,7 @@
                     class='code code-title'
                     value="{{ answerOption.code }}"
                     maxlength='5'
+                    pattern="[a-zA-Z0-9]+"  // Only letters and numbers
                     required='required'
                     onfocusout="LS.questionEditor.showAnswerOptionCodeUniqueError(this);"
                 />
diff --git a/application/views/questionAdministration/answerOptions.twig b/application/views/questionAdministration/answerOptions.twig
index 4b1e10faab6..ad62f576adc 100644
--- a/application/views/questionAdministration/answerOptions.twig
+++ b/application/views/questionAdministration/answerOptions.twig
@@ -29,7 +29,12 @@
                     <thead>
                         <tr>
                             <th></th>
-                            <th class='col-lg-1'>{{ gT("Code") }}</th>
+                            <th class='col-lg-1'>{{ gT("Code") }}
+                            <i
+                class="ri-information-fill"
+                data-bs-toggle="tooltip"
+                title="{{ gT("A mandatory unique alpha-numeric code for each answer option (1-5 characters)") }}"
+            > </i>                            </th>
 
                             {% if assessmentvisible %}
                                 <th class='col-lg-1'>
diff --git a/application/views/questionAdministration/subquestions.twig b/application/views/questionAdministration/subquestions.twig
index d89b7a2de57..5d58db8ed8a 100644
--- a/application/views/questionAdministration/subquestions.twig
+++ b/application/views/questionAdministration/subquestions.twig
@@ -44,7 +44,7 @@
                             <i
                 class="ri-information-fill"
                 data-bs-toggle="tooltip"
-                title="{{ gT("A mandatory unique alpha-numeric code for each answer option (1-5 characters)") }}"
+                title="{{ gT("A mandatory unique alpha-numeric code for each subquestion (1-20 characters)") }}"
             > </i>
                             </th>
                             <th>