diff --git a/AUTHORS b/AUTHORS
index b9cfcd7b0..b80aa2792 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -149,3 +149,5 @@ David Hilvert
 Bernat Arlandis i Mañó
 Sven Meier
 Marcus Weseloh
+Jean-jacques Ceresa
+
diff --git a/doc/polymono/poly_mono_0.txt b/doc/polymono/poly_mono_0.txt
index 4fa1ed2fa..7e0f421f3 100644
--- a/doc/polymono/poly_mono_0.txt
+++ b/doc/polymono/poly_mono_0.txt
@@ -1,6 +1,6 @@
 # What are default 'basic channels' in FluidSynth ? 
 #--------------------------------------------------
-# At initialization the default basic channel is defined by settings (see 2.2).
+# At initialization the default basic channel is poly omnion (see pdf 2.2).
 
 # type the command basicchannels to display actual basic channels.
 basicchannels
diff --git a/doc/polymono/poly_mono_1.txt b/doc/polymono/poly_mono_1.txt
index 2df59088f..27cb08cd9 100644
--- a/doc/polymono/poly_mono_1.txt
+++ b/doc/polymono/poly_mono_1.txt
@@ -1,6 +1,6 @@
 # How to change the whole set of actual basic channels ?
 # -------------------------------------------------------------
-# Assuming you want to set 2 groups of channels
+# Assuming you want to set 2 groups of channels:
 # Group 1: first channel 5 in poly mode, only one channel
 # Group 2: first channel 10 in mono mode , only one channel
 
@@ -13,7 +13,7 @@
 # First use the command resetbasicchannels to  reset all basic channels
 resetbasicchannels 
 
-# Then use command setbasicchannels using numbered mode:
+# Then use command setbasicchannels using numbered mode 2 and 3:
 setbasicchannels  5 2 0   10 3 1
 # or using named mode:
 # setbasicchannels  5 poly_omnioff 0   10 mono_omnioff 1
diff --git a/doc/polymono/poly_mono_2.txt b/doc/polymono/poly_mono_2.txt
index 60bc62015..499b7b651 100644
--- a/doc/polymono/poly_mono_2.txt
+++ b/doc/polymono/poly_mono_2.txt
@@ -11,7 +11,7 @@
 # Group 3 should have the following settings:
 # basic channel 13, mode mono, omni off, (mode 3) composed of 2 channels.
 
-# Use command setbasicchannels using numbered mode:
+# Use command setbasicchannels using numbered mode 3:
 setbasicchannels 13 3 2
 # or using named mode:
 # setbasicchannels 13 mono_omnioff 2
diff --git a/doc/polymono/poly_mono_3.txt b/doc/polymono/poly_mono_3.txt
index cfc4e5958..ff09224e2 100644
--- a/doc/polymono/poly_mono_3.txt
+++ b/doc/polymono/poly_mono_3.txt
@@ -15,7 +15,7 @@
 #First use the command resetbasicchannels to clear the group intended to be changed.
 resetbasicchannels 5
 
-# Then use command setbasicchannels using numbered mode:
+# Then use command setbasicchannels using numbered mode 0:
 setbasicchannels  5  0  4
 # or Using named mode:
 # setbasicchannels  5  poly_omnion 4
diff --git a/doc/polymono/poly_mono_4.txt b/doc/polymono/poly_mono_4.txt
index bac7b6f04..ae3edd2d8 100644
--- a/doc/polymono/poly_mono_4.txt
+++ b/doc/polymono/poly_mono_4.txt
@@ -1,9 +1,9 @@
-# How to change an actual basic channel and an add new one ?
-# --------------------------------------------------------
+# How to change an actual basic channel and add a new one ?
+# ---------------------------------------------------------
 # Note that command setbasicchannels allows to add or change
 # groups of basics channels.
 # 
-# Note also that the commands allows this to more than one
+# Note also that the commands allows this for more than one
 # groups executing only one command:
 
 # The following command restores Group 1 to the state:
@@ -14,7 +14,7 @@
 #First use the command resetbasicchannels to clear the group intended to be changed.
 resetbasicchannels 5
 
-# Use command setbasicchannels to change a group and add a new one, using numbered mode:
+# Use command setbasicchannels to change a group and add a new one, using numbered mode 2 and 1:
 setbasicchannels    5  2  0    2  1  3
 # or using named mode:
 # setbasicchannels    5  poly_omnioff 0    2  mono_omnion 3
diff --git a/doc/polymono/poly_mono_5.txt b/doc/polymono/poly_mono_5.txt
index a2c171715..82e9755e0 100644
--- a/doc/polymono/poly_mono_5.txt
+++ b/doc/polymono/poly_mono_5.txt
@@ -1,4 +1,4 @@
-# How to know  the state of one or more MIDI channels ?
+# How to know the state of one or more MIDI channels ?
 # -----------------------------------------------------
 # Use the command channelsmode  [chan1 chan2 ….]
 channelsmode
diff --git a/doc/polymono/readme.txt b/doc/polymono/readme.txt
index a70f1a408..308468d8e 100644
--- a/doc/polymono/readme.txt
+++ b/doc/polymono/readme.txt
@@ -16,7 +16,7 @@
      leg_por_00.txt    
      leg_por_01.txt
 
-This tutorials files are usable directly on the FluidSynth console application.
-There are described in the pdf file (chapters 2.1 and 3.1).
+These tutorials files are usable directly on the FluidSynth console application.
+See the pdf file (chapters 2.1 and 3.1).
 
 jean-jacques ceresa