diff --git a/build/debian/README.howto b/build/debian/README.howto
index 3c111f0a0ec..e2efcb6cf48 100644
--- a/build/debian/README.howto
+++ b/build/debian/README.howto
@@ -195,7 +195,7 @@ If script fails with error Bad certificate, you can set "export PERL_LWP_SSL_VER
 * Some files are removed from archive by the get-orig-source.sh 
 
 * Staying into git root directory, run
-> git-import-orig -vv ../tcpdf_x.y.z+dfsg.orig.tar.xz
+> git-import-orig -vv ../tcpdf_x.y.z+dfsg.orig.tar.xz --debian-branch=[master|jessie] --upstream-branch=[upstream|upstream-3.5.x]
 
 Note: If there was errors solved manually, you may need to make a git commit
 
@@ -208,11 +208,15 @@ Warning: Date must have format reported by "date -R"
 Warning: Name and email must match value into debian/control file (Entry added here is used by next step).
 
 * We try to build package
-> rm -fr ../build-area; git-buildpackage -us -uc
+> rm -fr ../build-area; 
+> git-buildpackage -us -uc --git-debian-branch=[master|jessie] --git-upstream-branch=[upstream|upstream-3.5.x]
 
+Note: To build an old version, do: git checkout oldtagname -b newbranchname; git-buildpackage -us -uc --git-debian-branch=newbranchname --git-upstream-branch=[upstream|upstream-3.5.x]
 Note: You can use git-buildpackage -us -uc --git-ignore-new  if you want to test build with uncommited file
 Note: You can use git-buildpackage -us -uc -d                if you want to test build when dependencies does not match 
 Note: Package is built into directory ../build-area
+Note: To compare 2 packages: debdiff package1.dsc package2.dsc
+
 
 * If package .deb is ok:
 Note: If there was errors managed manually, you may need to make a git commit but do not use option "amend" previous commit
@@ -220,7 +224,7 @@ Note: If there was errors managed manually, you may need to make a git commit bu
 
 * If ok, you can tag.
 > Edit debian/changelog to replace "UNRELEASED" into "unstable", then push
-> git-buildpackage --git-tag-only --git-retag
+> git-buildpackage --git-tag-only --git-retag --git-debian-branch=[master|jessie] --git-upstream-branch=[upstream|upstream-3.5.x]
 > git push --tags
 
 * Compilation is then done by a debian developer and sent
@@ -263,7 +267,7 @@ dolibarr-x.y.z+dfsgw.tgz
 (x.y.z = version, w start from 1 and is increased for each new git-import-orig already done)
 
 * Staying into git root directory, run
-> git-import-orig -vv ../dolibarr-x.y.z+dfsgw.tgz
+> git-import-orig -vv ../dolibarr-x.y.z+dfsgw.tgz --debian-branch=[master|jessie] --upstream-branch=[upstream|upstream-3.5.x]
 and enter version when requested with format
 x.y.z+dfsgw
 (x.y.z = version, w start from 1 and is increased for each new import)
@@ -289,11 +293,14 @@ To update dolibarr debian package when only files into debian has changed
 Once files has been prepared, it's time to test:
 
 * Try to build package
-> rm -fr ../build-area; git-buildpackage -us -uc
+> rm -fr ../build-area;
+> git-buildpackage -us -uc --git-debian-branch=[master|jessie] --git-upstream-branch=[upstream|upstream-3.5.x]
 
+Note: To build an old version, do: git checkout oldtagname -b newbranchname; git-buildpackage -us -uc --git-debian-branch=newbranchname --git-upstream-branch=[upstream|upstream-3.5.x]
 Note: You can use git-buildpackage -us -uc --git-ignore-new  if you want to test build with uncommited file
 Note: You can use git-buildpackage -us -uc -d                if you want to test build when dependencies does not match 
 Note: Package is built into directory ../build-area
+Note: To compare 2 packages: debdiff package1.dsc package2.dsc
 
 * Test package (see dedicated chapter to test it with debian unstable env)
 
@@ -303,7 +310,7 @@ Note: If there was errors managed manually, you may need to make a git commit bu
 
 * If ok, you can tag.
 > Edit debian/changelog to replace "UNRELEASED" into "unstable", then push
-> git-buildpackage --git-tag-only --git-retag
+> git-buildpackage --git-tag-only --git-retag --git-debian-branch=[master|jessie] --git-upstream-branch=[upstream|upstream-3.5.x]
 > git push --tags
 
 
@@ -321,15 +328,32 @@ http://packages.qa.debian.org
 
 
 ##### Send an unblock request 
+
 Use this to move from unstable to testing.
+
 reportbug -B debian
 Choose package "release.debian.org"
 Then "unblock"
 Then name of package "dolibarr"
 Fill message, for example:
 "Please unblock package dolibarr
-A security error CVE-2014-7137 was reported and is fixed into package 3.5.5.
-Note that package 3.5.5 was prepared before the CVE was reported and include other fixes, but they are all related to stability or security (other se$
+A security error CVE-2015-3935 was reported and is fixed into package 3.5.7.
+Note that package 3.5.7 contains not only fixed for bugs reported to debian. It includes other fixes, but they are all related to stability or security,
+so it is a better solution to validate this maintenance release than applying a patch of the only CVE-2015-3935. 
+After discussion with ..., it appears that security holes are enough to request this unblock request."
+
+
+Use this to request an update of a stable package
+
+reportbug -B debian
+Choose package "release.debian.org"
+Then "unblock"
+Then name of package "dolibarr"
+Fill message, for example:
+"Please unblock package dolibarr
+A security error CVE-2015-3935 was reported and is fixed into package 3.5.7.
+Note that package 3.5.7 contains not only fixed for bugs reported to debian. It includes other fixes, but they are all related to stability or security,
+so it is a better solution to validate this maintenance release than applying a patch of the only CVE-2015-3935. 
 After discussion with ..., it appears that security holes are enough to request this unblock request."