1 files changed, 2 insertions, 0 deletions
diff --git a/roff.7 b/roff.7
index d67e374e..b82020d0 100644
--- a/roff.7
+++ b/roff.7
@@ -143,6 +143,8 @@ escape followed by an indicator: B (bold), I (italic), R (regular), or P
 (revert to previous mode).
 A numerical representation 3, 2, or 1 (bold, italic, and regular,
 respectively) may be used instead.
+The indicator or numerical representative may be preceded by C
+(constant-width), which is ignored.
 .Pp
 Examples:
 .Bl -tag -width Ds -offset indent -compact