diff --git a/xorriso-dd-target/xorriso-dd-target b/xorriso-dd-target/xorriso-dd-target
index 34c91fca..09f0d2db 100755
--- a/xorriso-dd-target/xorriso-dd-target
+++ b/xorriso-dd-target/xorriso-dd-target
@@ -15,7 +15,7 @@
 # announces.
 
 xdt_print_version() {
-  echo "xorriso-dd-target , version 1.5.3 , 2020.02.12.145929"
+  echo "xorriso-dd-target , version 1.5.3 , 2020.02.12.195952"
 }
 
 
@@ -124,7 +124,7 @@ xdt_print_usage() {
   echo "                    has no superuser power, the device is not advised."
   echo "                    If -DO_WRITE is given, run umount and dd by sudo." 
   echo " -trust_lsblk_udev  Suppress the reason no_fs_while_not_su- if lsblk"
-  echo "                    is linked with libudev.so. In this case it is very"
+  echo "                    is linked with libudev.so. In this case it is"
   echo "                    likely that lsblk can retrieve FSTYPE even if"
   echo "                    run by a non-priviledged user."
   echo " -image_file PATH   Set the path of the image file which shall be"
@@ -262,7 +262,7 @@ xdt_predict_su_power() {
   # without superuser powers.
   if test -n "$xdt_trust_lsblk_udev"
   then
-    if ldd "$xdt_lsblk_cmd" | grep '\tlibudev\.so' >/dev/null
+    if ldd "$xdt_lsblk_cmd" | grep '\blibudev\.so' >/dev/null
     then
       xdt_lsblk_fs_wo_su=y
     fi
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index ce2a11fc..9534a7a0 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2020.02.12.145929"
+#define Xorriso_timestamP "2020.02.12.195952"