Update comment.

Author: redstar

llvm/include/llvm/MC/MCGOFFAttributes.h

@@ -38,10 +38,9 @@ namespace GOFF {
 // a text record) is associated with the part. When binding, only the data of
 // referenced PRs is pulled into the resulting binary.
 //
-// Both approaches are used, which means that the equivalent of a section in ELF
-// results in 3 GOFF symbols, either SD/ED/LD or SD/ED/PR. Moreover, certain
-// sections are fine with just defining SD/ED symbols. The SymbolMapper takes
-// care of all those details.
+// Both approaches are used. SD, ED, and PR elements are modelled by nested
+// MCSectionGOFF instances, while LD elements are associated with MCSymbolGOFF
+// instances.
 
 // Attributes for SD symbols.
 struct SDAttr {