diff --git a/BaseToolkit.cpp b/BaseToolkit.cpp
index d489b83..3e1fb00 100644
--- a/BaseToolkit.cpp
+++ b/BaseToolkit.cpp
@@ -175,8 +175,11 @@ std::list<std::string> BaseToolkit::splitted(const std::string& str, char delim)
 std::string BaseToolkit::joinned(std::list<std::string> strlist, char separator)
 {
     std::string str;
-    for (auto it = strlist.cbegin(); it != strlist.cend(); ++it)
-        str += (*it) + separator;
+    for (auto it = strlist.cbegin(); it != strlist.cend(); ++it) {
+        if (it != strlist.cbegin())
+            str += separator;
+        str += (*it);
+    }
 
     return str;
 }
diff --git a/ImGuiVisitor.cpp b/ImGuiVisitor.cpp
index 68c2dd6..cfa9cd0 100644
--- a/ImGuiVisitor.cpp
+++ b/ImGuiVisitor.cpp
@@ -579,7 +579,7 @@ void ImGuiVisitor::visit (Source& s)
 
     ImGuiToolkit::Icon(s.icon().x, s.icon().y);
     ImGui::SameLine(0, IMGUI_SAME_LINE);
-    ImGui::Text(s.info().c_str());
+    ImGui::Text("%s", s.info().c_str());
 }
 
 void ImGuiVisitor::visit (MediaSource& s)
@@ -663,7 +663,8 @@ void ImGuiVisitor::visit (SessionFileSource& s)
 
 void ImGuiVisitor::visit (SessionGroupSource& s)
 {
-    if (s.session() == nullptr)
+    Session *session = s.session();
+    if (session == nullptr)
         return;
 
     // info
@@ -682,7 +683,15 @@ void ImGuiVisitor::visit (SessionGroupSource& s)
         ImGui::SetCursorPos(pos);
     }
 
-
+    // Show list of sources in text bloc (multi line, dark background)
+    ImGuiTextBuffer info;
+    info.append( BaseToolkit::joinned( session->getNameList(), '\n').c_str() );
+    ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.14f, 0.14f, 0.14f, 0.9f));
+    ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
+    ImGui::InputTextMultiline("##sourcesingroup", (char *)info.c_str(), info.size(),
+                              ImVec2(IMGUI_RIGHT_ALIGN, CLAMP(session->numSource(), 2, 5) * ImGui::GetTextLineHeightWithSpacing()),
+                              ImGuiInputTextFlags_ReadOnly);
+    ImGui::PopStyleColor(1);
 
     if ( ImGui::Button( ICON_FA_SIGN_OUT_ALT " Import", ImVec2(IMGUI_RIGHT_ALIGN, 0)) )
         Mixer::manager().import( &s );
diff --git a/UserInterfaceManager.cpp b/UserInterfaceManager.cpp
index f613651..29e9458 100644
--- a/UserInterfaceManager.cpp
+++ b/UserInterfaceManager.cpp
@@ -6171,7 +6171,7 @@ void Navigator::RenderNewPannel()
                 ImGui::InputText("##url", bufurl, IM_ARRAYSIZE(bufurl), ImGuiInputTextFlags_ReadOnly);
                 ImGui::PopStyleColor(1);
 
-                ImGui::SameLine(0); ImGuiToolkit::Indication("URL for connecting to a stream on Secure Reliable Transport (SRT) protocol, waiting for connections in listener mode.", ICON_SOURCE_SRT);
+                ImGui::SameLine(0); ImGuiToolkit::Indication("URL for connecting with Secure Reliable Transport (SRT) protocol to a broadcaster that is waiting for connections (listener mode).", ICON_SOURCE_SRT);
 
                 if ( ImGui::Button("Call", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ) {
                     new_source_preview_.setSource( Mixer::manager().createSourceSrt(Settings::application.custom_connect_ip, Settings::application.custom_connect_port), bufurl);