diff --git a/site/content/docs/4.3/forms/form-control.md b/site/content/docs/4.3/forms/form-control.md
index 0189f02e8b..c47940c110 100644
--- a/site/content/docs/4.3/forms/form-control.md
+++ b/site/content/docs/4.3/forms/form-control.md
@@ -62,14 +62,14 @@ If you want to have `<input readonly>` elements in your form styled as plain tex
 
 {{< example >}}
 <form class="form-inline">
-  <div class="mb-3 mb-2">
+  <div class="mb-3">
     <label for="staticEmail2" class="sr-only">Email</label>
     <input type="text" readonly class="form-control-plaintext" id="staticEmail2" value="email@example.com">
   </div>
-  <div class="mb-3 mx-sm-3 mb-2">
+  <div class="mb-3 mx-sm-3">
     <label for="inputPassword2" class="sr-only">Password</label>
     <input type="password" class="form-control" id="inputPassword2" placeholder="Password">
   </div>
-  <button type="submit" class="btn btn-primary mb-2">Confirm identity</button>
+  <button type="submit" class="btn btn-primary mb-3">Confirm identity</button>
 </form>
 {{< /example >}}