diff --git a/PowerEditor/installer/APIs/java.xml b/PowerEditor/installer/APIs/java.xml
index 4a9015a93..20dfc8971 100644
--- a/PowerEditor/installer/APIs/java.xml
+++ b/PowerEditor/installer/APIs/java.xml
@@ -3130,6 +3130,7 @@
 		<KeyWord name="StringBuffer" />
 		<KeyWord name="StringBufferInputStream" />
 		<KeyWord name="StringBufferPool" />
+		<KeyWord name="StringBuilder" />
 		<KeyWord name="StringCharBuffer" />
 		<KeyWord name="StringCharacterIterator" />
 		<KeyWord name="StringCoding" />
@@ -3703,4 +3704,4 @@
 		<KeyWord name="ZipOutputStream" />
 		<KeyWord name="ZoneView" />
 	</AutoComplete>
-</NotepadPlus>
\ No newline at end of file
+</NotepadPlus>