1134 - Changing all instances of the word "brackets" to "parenthesis"

app/templates/partials/templates/guidance-optional-content.html

@@ -7,7 +7,7 @@
 </h3>
 <div id="m-a2" class="usa-accordion__content usa-prose">
   <p class="usa-body">
-    Use double brackets and ‘??’ to define optional content.
+    Use double parenthesis and ‘??’ to define optional content.
   </p>
   <p class="bottom-gutter-1-3">
     For example if you only want to show something to people who are under

app/templates/partials/templates/guidance-personalization.html

@@ -7,11 +7,10 @@
 </h3>
 <div id="personalization" class="usa-accordion__content usa-prose">
   <p class="bottom-gutter-1-3">
-    Use double brackets to personalize your message:
+    Use double parenthesis to personalize your message:
   </p>
   {{ usaInsetText({
     "text": "Hello ((first name)), your reference is ((ref number))",
     "classes": ""})
   }}
 </div>
-

app/templates/partials/templates/guidance-send-a-document.html

@@ -4,7 +4,7 @@
   Send a document by email
 </h2>
 <p class="usa-body">
-  Use double brackets to add a placeholder field to your template. This will contain a secure link to download the document.
+  Use double parenthesis to add a placeholder field to your template. This will contain a secure link to download the document.
 </p>
 {{ usaInsetText({
   "text": "Download your document at: ((link_to_file))",