Changed the axis2/c version

diff --git a/samples/configure.ac b/samples/configure.ac
index b18bed2..4f067fb 100644
--- a/samples/configure.ac
+++ b/samples/configure.ac
@@ -68,7 +68,7 @@
 [  --with-axis2[=PATH]     Find the AXIS2 header files in 'PATH'.
     'PATH' should point to AXIS2 include files location.
     If you omit the '=PATH' part completely, the configure script will search
-    '$(AXIS2C_HOME)/include/axis2-1.4.0' for AXIS2 headers.],
+    '$(AXIS2C_HOME)/include/axis2-1.6.0' for AXIS2 headers.],
 [ case "$withval" in
   no)
     AC_MSG_RESULT(no)