diff --git a/man/man3/bin.3 b/man/man3/bin.3
index 7606202..c888193 100644
--- a/man/man3/bin.3
+++ b/man/man3/bin.3
@@ -20,7 +20,7 @@
 void	*bingrow(Bin **bp, void *op, ulong osize,
 .br
 .B
-	ulong size, int clr);
+	    ulong size, int clr);
 .PP
 .B
 void	binfree(Bin **bp);