diff --git a/app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java b/app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java
index bca4e05d2..e949ddbed 100644
--- a/app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java
+++ b/app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java
@@ -184,7 +184,7 @@ public class LibraryManagerUI extends InstallerJDialog {
     boolean managedByIndex = indexer.getIndex().getLibraries().contains(lib);
 
     if (!managedByIndex) {
-      int chosenOption = JOptionPane.showConfirmDialog(getParent(), _("This library is not listed on Library Manager. You won't be able to resinstall it from here.<br/>Are you sure you want to delete it?"), _("Please confirm library deletion"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
+      int chosenOption = JOptionPane.showConfirmDialog(getParent(), _("This library is not listed on Library Manager. You won't be able to resinstall it from here.\nAre you sure you want to delete it?"), _("Please confirm library deletion"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
       if (chosenOption != JOptionPane.YES_OPTION) {
         return;
       }