diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index d21a08eb78..67735737cc 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -4364,7 +4364,7 @@ sound level is too high.
 .PD 1
 .
 .TP
-.B pan=n[:l01:l02:...l10:l11:l12:...ln0:ln1:ln2:...]
+.B pan=n[:L00:L01:L02:...L10:L11:L12:...Ln0:Ln1:Ln2:...]
 Mixes channels arbitrarily.
 Basically a combination of the volume and the channels filter
 that can be used to down-mix many channels to only a few,
@@ -4380,7 +4380,7 @@ this filter can be found in the examples section near the end.
 .RSs
 .IPs <n>\ \ 
 number of output channels (1\-6)
-.IPs <lij>
+.IPs <Lij>
 How much of input channel i is mixed into output channel j (0\-1).
 So in principle you first have n numbers saying what to do with the
 first input channel, then n numbers that act on the second input channel