diff --git a/apps/encoder.c b/apps/encoder.c
index df0f817f091631a4cf76dc3b9802a42c406a1efc..3b30db35ffb10afbc35c9198493d8566f58a18ba 100644
--- a/apps/encoder.c
+++ b/apps/encoder.c
@@ -2107,7 +2107,7 @@ static void usage_enc( void )
     fprintf( stdout, "                      where 0 = adaptive, 3-100 = fixed in number of frames,\n" );
     fprintf( stdout, "                      default is deactivated\n" );
     fprintf( stdout, "-dtx                : Activate DTX mode with a SID update rate of 8 frames\n" );
-    fprintf( stdout, "                      Note: DTX is supported in EVS, stereo, ISM, SBA up to 80kbps and MASA up to 128kbps \n" );
+    fprintf( stdout, "                      Note: DTX is supported on all bitrates for EVS, stereo, ISM, and MASA, and up to 80 kbps for SBA.\n" );
     fprintf( stdout, "-rf p o             : Activate channel-aware mode for WB and SWB signal at 13.2kbps, \n" );
     fprintf( stdout, "                      where FEC indicator, p: LO or HI, and FEC offset, o: 2, 3, 5, or 7 in number of frames.\n" );
     fprintf( stdout, "                      Alternatively p and o can be replaced by a rf configuration file with each line  \n" );
diff --git a/apps/encoder_fmtsw.c b/apps/encoder_fmtsw.c
index bac8f46e796a8169ef5472ba29a88c46b0d22f36..69a6a1d30240dace15ac49b4bc2b898d153b07d7 100644
--- a/apps/encoder_fmtsw.c
+++ b/apps/encoder_fmtsw.c
@@ -2207,7 +2207,7 @@ static void usage_enc( void )
     fprintf( stdout, "                      where 0 = adaptive, 3-100 = fixed in number of frames,\n" );
     fprintf( stdout, "                      default is deactivated\n" );
     fprintf( stdout, "-dtx                : Activate DTX mode with a SID update rate of 8 frames\n" );
-    fprintf( stdout, "                      Note: DTX is supported in EVS, stereo, ISM, SBA up to 80kbps and MASA up to 128kbps \n" );
+    fprintf( stdout, "                      Note: DTX is supported on all bitrates for EVS, stereo, ISM, and MASA, and up to 80 kbps for SBA.\n" );
     fprintf( stdout, "-rf p o             : Activate channel-aware mode for WB and SWB signal at 13.2kbps, \n" );
     fprintf( stdout, "                      where FEC indicator, p: LO or HI, and FEC offset, o: 2, 3, 5, or 7 in number of frames.\n" );
     fprintf( stdout, "                      Alternatively p and o can be replaced by a rf configuration file with each line  \n" );
diff --git a/readme.txt b/readme.txt
index 906afd8f25bbd93225e42f438eb772aef97fb614..d62d74b5fee5a0b9b5e6e4fd0aad852964cfe081 100644
--- a/readme.txt
+++ b/readme.txt
@@ -241,7 +241,7 @@ EVS mono is default, for IVAS choose one of the following: -stereo, -ism, -sba,
 -dtx D              : Activate DTX mode, D = (0, 3-100) is the SID update rate
                       where 0 = adaptive, 3-100 = fixed in number of frames, default is deactivated
 -dtx                : Activate DTX mode with a SID update rate of 8 frames
-                      Note: DTX is supported in EVS, stereo, ISM, MASA, and SBA up to 80kbps
+                      Note: DTX is supported on all bitrates for EVS, stereo, ISM, and MASA, and up to 80 kbps for SBA.
 -rf p o             : Activate channel-aware mode in EVS for WB and SWB signal at 13.2kbps,
                       where FEC indicator, p: LO or HI, and FEC offset, o: 2, 3, 5, or 7 in number of frames.
                       Alternatively p and o can be replaced by a rf configuration file with each line