diff --git a/Components/ScintStylerInnoSetup.pas b/Components/ScintStylerInnoSetup.pas
index 12743969b..594735d55 100644
--- a/Components/ScintStylerInnoSetup.pas
+++ b/Components/ScintStylerInnoSetup.pas
@@ -129,6 +129,7 @@ implementation
   TypInfo, MsgIDs, SetupSectionDirectives, LangOptionsSectionDirectives;
 
 type
+  { Size must be <= SizeOf(TScintLineState) }
   TInnoSetupStylerLineState = record
     Section, NextLineSection: TInnoSetupStylerSection;
     SpanState: TInnoSetupStylerSpanState;