diff --git a/templates/Error.php b/templates/Error.php
index 088a214d..38b0d099 100644
--- a/templates/Error.php
+++ b/templates/Error.php
@@ -16,7 +16,7 @@ else{
 <ul class="error">
 	<? foreach($exceptions as $ex){ ?>
 	<li>
-		<p><? $message = $ex->getMessage(); if($message == ''){ $message = 'An error occurred.'; } ?><?= Formatter::ToPlainText($message) ?></p>
+		<p><? $message = $ex->getMessage(); if($message == ''){ $message = 'An error occurred.'; } ?><?= str_replace('CAPTCHA', '<abbr class="acronym">CAPTCHA</abbr>', Formatter::ToPlainText($message)) ?></p>
 	</li>
 	<? } ?>
 </ul>
diff --git a/www/newsletter/subscribers/new.php b/www/newsletter/subscribers/new.php
index 061be910..a94eb823 100644
--- a/www/newsletter/subscribers/new.php
+++ b/www/newsletter/subscribers/new.php
@@ -37,7 +37,7 @@ if($exception){
 				<input type="email" name="email" value="<?= Formatter::ToPlainText($subscriber->Email) ?>" maxlength="80" required="required" />
 			</label>
 			<label class="captcha">
-				Type the letters in the image
+				Type the letters in the <abbr class="acronym">CAPTCHA</abbr> image
 				<div>
 					<input type="text" name="captcha" required="required" />
 					<img src="/images/captcha" alt="A visual CAPTCHA." height="<?= CAPTCHA_IMAGE_HEIGHT ?>" width="<?= CAPTCHA_IMAGE_WIDTH ?>" />