diff --git a/lib/NGCP/Panel/Form/Contract/Base.pm b/lib/NGCP/Panel/Form/Contract/Base.pm
index a97581078c..12c5ef7397 100644
--- a/lib/NGCP/Panel/Form/Contract/Base.pm
+++ b/lib/NGCP/Panel/Form/Contract/Base.pm
@@ -112,7 +112,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => {
         rel => ['tooltip'],
-        title => ['An external id, e.g. provided by a 3rd party provisioning']
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 
diff --git a/lib/NGCP/Panel/Form/Contract/BaseAPI.pm b/lib/NGCP/Panel/Form/Contract/BaseAPI.pm
index 88f80669f9..b128486730 100644
--- a/lib/NGCP/Panel/Form/Contract/BaseAPI.pm
+++ b/lib/NGCP/Panel/Form/Contract/BaseAPI.pm
@@ -80,7 +80,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 
diff --git a/lib/NGCP/Panel/Form/Customer/PbxSubscriber.pm b/lib/NGCP/Panel/Form/Customer/PbxSubscriber.pm
index 65edf930e4..12d7c42661 100644
--- a/lib/NGCP/Panel/Form/Customer/PbxSubscriber.pm
+++ b/lib/NGCP/Panel/Form/Customer/PbxSubscriber.pm
@@ -141,7 +141,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 
diff --git a/lib/NGCP/Panel/Form/Customer/Subscriber.pm b/lib/NGCP/Panel/Form/Customer/Subscriber.pm
index 178122c5b3..3ab18ddec3 100644
--- a/lib/NGCP/Panel/Form/Customer/Subscriber.pm
+++ b/lib/NGCP/Panel/Form/Customer/Subscriber.pm
@@ -105,7 +105,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 
diff --git a/lib/NGCP/Panel/Form/Subscriber.pm b/lib/NGCP/Panel/Form/Subscriber.pm
index de291fc12a..d0fdb895f2 100644
--- a/lib/NGCP/Panel/Form/Subscriber.pm
+++ b/lib/NGCP/Panel/Form/Subscriber.pm
@@ -135,7 +135,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning.'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 
diff --git a/lib/NGCP/Panel/Form/SubscriberEdit.pm b/lib/NGCP/Panel/Form/SubscriberEdit.pm
index 42e87a4db3..c79409b7c4 100644
--- a/lib/NGCP/Panel/Form/SubscriberEdit.pm
+++ b/lib/NGCP/Panel/Form/SubscriberEdit.pm
@@ -116,7 +116,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );