diff --git a/src/rg/c.561 b/src/rg/c.561
index 744261f3..8a1ba4d8 100644
--- a/src/rg/c.561
+++ b/src/rg/c.561
@@ -2,6 +2,7 @@
 TITLE CHESS C
 
 .SYMTAB 10000.
+IF1, EXPUNGE MOVST,COMMEN
 
 .XCREF P
 
@@ -442,7 +443,8 @@ IFE DECTS,IFN DEC,HTNE=10000-1
 IFN DECTS,HTNE=300-1
 
 IFN BOOK,[BMXS==200.	;MAX NO TAGS
-	BKSS==9000.	;NO BYTES IN ACTUAL BOOK]
+	BKSS==9000.	;NO BYTES IN ACTUAL BOOK
+]
 
 IFN DECTS,[
 BKSS=5900.