diff --git a/styles.css b/styles.css
index 482396d52229abb6a7bda7f417b0fc6c1e72a657..32bc63c3412530b74d540645d3e33b8c09811ef2 100644
--- a/styles.css
+++ b/styles.css
@@ -416,6 +416,7 @@ body {
 
 .path-mod-pdfannotator .chat-message-container {
     flex-grow: 1;
+    word-break: break-word;
 }
 
 .path-mod-pdfannotator .chat-message.owner:not(.questioncomment) {
diff --git a/version.php b/version.php
index 0bfb7e85bf416f346c8c6dbaae55724f03a0369d..1e70380c2019bcdb555b7b0b3c8731f5441f35ff 100644
--- a/version.php
+++ b/version.php
@@ -25,6 +25,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'mod_pdfannotator'; // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2021041900; // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2021042300; // The current module version (Date: YYYYMMDDXX).
 $plugin->release  = 'PDF Annotator v1.4 release 6';
 $plugin->requires  = 2016112900; // Requires this Moodle version.