diff --git a/addons/project_long_term/i18n/de.po b/addons/project_long_term/i18n/de.po
index 1702efa5f91..d61ad1f0227 100644
--- a/addons/project_long_term/i18n/de.po
+++ b/addons/project_long_term/i18n/de.po
@@ -187,7 +187,7 @@ msgstr "Ende Datum"
 
 #. module: project_long_term
 #: help:project.phase,date_end:0
-msgid "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration.
 msgstr "Ende Datum d. Phase"
 
 #. module: project_long_term
@@ -540,7 +540,7 @@ msgstr "Phase"
 
 #. module: project_long_term
 #: help:project.phase,date_start:0
-msgid "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
 msgstr "Beginn der Phase"
 
 #. module: project_long_term
diff --git a/addons/project_long_term/i18n/en_US.po b/addons/project_long_term/i18n/en_US.po
index 00e0d982c1c..15a3bd4034b 100644
--- a/addons/project_long_term/i18n/en_US.po
+++ b/addons/project_long_term/i18n/en_US.po
@@ -171,8 +171,8 @@ msgstr "Usability of this resource for this project phase in percentage (=50%)"
 #. module: project_long_term
 #: help:project.phase,date_end:0
 #: field:project.resource.allocation,phase_id_date_end:0
-msgid "Ending Date of the phase"
-msgstr "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration."
+msgstr "It's computed by the scheduler according to the start date and the duration."
 
 #. module: project_long_term
 #: view:project.compute.phases:0
@@ -451,8 +451,8 @@ msgstr "Phase"
 #. module: project_long_term
 #: help:project.phase,date_start:0
 #: field:project.resource.allocation,phase_id_date_start:0
-msgid "Starting Date of the phase"
-msgstr "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
+msgstr "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
 
 #. module: project_long_term
 #: help:project.phase,state:0
diff --git a/addons/project_long_term/i18n/fr.po b/addons/project_long_term/i18n/fr.po
index 0a4f1dbaf71..b66650adf71 100644
--- a/addons/project_long_term/i18n/fr.po
+++ b/addons/project_long_term/i18n/fr.po
@@ -164,7 +164,7 @@ msgstr "Date de fin"
 
 #. module: project_long_term
 #: help:project.phase,date_end:0
-msgid "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration."
 msgstr "Date de fin de la phase"
 
 #. module: project_long_term
@@ -518,7 +518,7 @@ msgstr "Phase"
 
 #. module: project_long_term
 #: help:project.phase,date_start:0
-msgid "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
 msgstr "Date de début de la phase"
 
 #. module: project_long_term
diff --git a/addons/project_long_term/i18n/pl.po b/addons/project_long_term/i18n/pl.po
index 1364eb70a97..85f801f47ec 100644
--- a/addons/project_long_term/i18n/pl.po
+++ b/addons/project_long_term/i18n/pl.po
@@ -165,7 +165,7 @@ msgstr "Data końcowa"
 
 #. module: project_long_term
 #: help:project.phase,date_end:0
-msgid "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration."
 msgstr "Końcowa data fazy"
 
 #. module: project_long_term
@@ -505,7 +505,7 @@ msgstr "Faza"
 
 #. module: project_long_term
 #: help:project.phase,date_start:0
-msgid "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phasesStarting Date of the phase"
 msgstr "Data rozpoczęcia fazy"
 
 #. module: project_long_term
diff --git a/addons/project_long_term/i18n/project_long_term.pot b/addons/project_long_term/i18n/project_long_term.pot
index 1824bd1df22..c6090f8fce5 100644
--- a/addons/project_long_term/i18n/project_long_term.pot
+++ b/addons/project_long_term/i18n/project_long_term.pot
@@ -156,7 +156,7 @@ msgstr ""
 
 #. module: project_long_term
 #: help:project.phase,date_end:0
-msgid "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration."
 msgstr ""
 
 #. module: project_long_term
@@ -486,7 +486,7 @@ msgstr ""
 
 #. module: project_long_term
 #: help:project.phase,date_start:0
-msgid "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
 msgstr ""
 
 #. module: project_long_term
diff --git a/addons/project_long_term/i18n/pt.po b/addons/project_long_term/i18n/pt.po
index a6e00dbaf85..3ca11d8d557 100644
--- a/addons/project_long_term/i18n/pt.po
+++ b/addons/project_long_term/i18n/pt.po
@@ -165,7 +165,7 @@ msgstr "Data de fim"
 
 #. module: project_long_term
 #: help:project.phase,date_end:0
-msgid "Ending Date of the phase"
+msgid "It's computed by the scheduler according to the start date and the duration."
 msgstr "Data de fim da fase"
 
 #. module: project_long_term
@@ -504,7 +504,7 @@ msgstr "Fase"
 
 #. module: project_long_term
 #: help:project.phase,date_start:0
-msgid "Starting Date of the phase"
+msgid "It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases"
 msgstr "Data de início da fase"
 
 #. module: project_long_term