diff --git a/src/rgbds.5 b/src/rgbds.5
index 781a1eb0..67efb6f1 100644
--- a/src/rgbds.5
+++ b/src/rgbds.5
@@ -42,7 +42,7 @@ is a 0‐terminated string of
 .Bd -literal
 ; Header
 
-BYTE    ID[4]            ; "RGB4"
+BYTE    ID[4]            ; "RGB5"
 LONG    NumberOfSymbols  ; The number of symbols used in this file
 LONG    NumberOfSections ; The number of sections used in this file
 
@@ -59,6 +59,10 @@ REPT    NumberOfSymbols   ; Number of symbols defined in this object file.
 
     IF      Type != 1     ; If symbol is defined in this object file.
 
+        STRING  FileName  ; File where the symbol is defined.
+
+        LONG    LineNum   ; Line number in the file where the symbol is defined.
+
         LONG    SectionID ; The section number (of this object file) in which
                           ; this symbol is defined.