diff --git a/README.md b/README.md
index 9da3222..2abbfc8 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 * curl `libcurl4-gnutls-dev`
 
 ## Compile
+First you do have to change `API_TOKEN` in src/pushhandler.h. You can receive your API-Token at [a.gidix.de](http://www.a.gidix.de/). Don't forget to match the APP-Package as well.
 
     chmod +x configure
     ./configure
diff --git a/configure b/configure
index c00b6ab..d78790a 100755
--- a/configure
+++ b/configure
@@ -2977,6 +2977,20 @@ else
   as_fn_error $? "You need the Boost Program Options library." "$LINENO" 5
 fi
 
+done
+
+	for ac_header in boost/regex.hpp
+do :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "boost/regex.hpp" "ac_cv_header_boost_regex_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_regex_hpp" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_BOOST_REGEX_HPP 1
+_ACEOF
+
+else
+  as_fn_error $? "You need the Boost Regex library." "$LINENO" 5
+fi
+
 done
 
 	for ac_header in curl/curl.h