Increase Manual Partition instructions

used downstream since 2014, has helped a lot with increaisng correct setups

src/modules/partition/gui/ChoicePage.cpp

@@ -332,7 +332,9 @@ ChoicePage::setupChoices()
 
     CALAMARES_RETRANSLATE(
         m_somethingElseButton->setText( tr( "<strong>Manual partitioning</strong><br/>"
-                                            "You can create or resize partitions yourself." ) );
+                                            "You can create or resize partitions yourself."
+                                            " Having a GPT partition table and <strong>fat32 512Mb /boot partition "
+                                            "is a must for UEFI installs</strong>, either use an existing without formatting or create one." ) );
         updateSwapChoicesTr( m_eraseSwapChoiceComboBox );
     )
 }