diff --git a/share/doc/usd/06.bc/bc b/share/doc/usd/06.bc/bc
index 35b1bdbc475..4d87f2ce410 100644
--- a/share/doc/usd/06.bc/bc
+++ b/share/doc/usd/06.bc/bc
@@ -36,8 +36,8 @@
 .\"	@(#)bc	6.2 (Berkeley) 4/17/91
 .\"
 .if n \{\
-.po 5n
-.ll 70n
+.nr PO 5n
+.nr LL 70n
 .\}
 .EH 'USD:6-%''BC \- An Arbitrary Precision Desk-Calculator Language'
 .OH 'BC \- An Arbitrary Precision Desk-Calculator Language''USD:6-%'