diff --git a/src/qml/ConnectionView.qml b/src/qml/ConnectionView.qml
index 0e3733f..4486319 100644
--- a/src/qml/ConnectionView.qml
+++ b/src/qml/ConnectionView.qml
@@ -66,16 +66,22 @@ Item {
                 //text: "opc.tcp://192.168.178.25:43344"
                 //text: "opc.tcp://localhost:43344"
                 //text: "opc.tcp://10.0.2.2:43344"
-                placeholderText: "opc.tcp://localhost:4080"
+                placeholderText: "localhost:4840"
                 inputMethodHints: Qt.ImhNoAutoUppercase | Qt.ImhNoPredictiveText
+                prefixText: "opc.tcp://"
+                validator: RegularExpressionValidator {
+                    regularExpression: /[^\/].*/
+                }
             }
 
             StyledButton {
                 Layout.fillWidth: true
                 text: qsTranslate("Connection", "Discover")
+                enabled: hostUrl.acceptableInput
+                highlighted: enabled
 
                 onClicked: {
-                    view.selectedHostUrl = hostUrl.text
+                    view.selectedHostUrl = hostUrl.prefixText + hostUrl.text
                     BackEnd.findServers(view.selectedHostUrl)
                 }
             }
diff --git a/src/qml/SettingsView.qml b/src/qml/SettingsView.qml
index 8a9afe4..0a2845f 100644
--- a/src/qml/SettingsView.qml
+++ b/src/qml/SettingsView.qml
@@ -219,7 +219,7 @@ Rectangle {
                         pointSize: 14
                         bold: true
                     }
-                    text: qsTranslate("Dashboard", "Saved Variable Dashboards")
+                    text: qsTranslate("Dashboard", "Saved variable dashboards")
                 }
 
                 Rectangle {
diff --git a/src/qml/controls/StyledTextField.qml b/src/qml/controls/StyledTextField.qml
index 860ff81..6ed5a40 100644
--- a/src/qml/controls/StyledTextField.qml
+++ b/src/qml/controls/StyledTextField.qml
@@ -24,6 +24,9 @@ ColumnLayout {
     property alias echoMode: textField.echoMode
     property alias inputMethodHints: textField.inputMethodHints
     property ThemeTextField theme: Style.textField
+    property alias validator: textField.validator
+    property alias acceptableInput: textField.acceptableInput
+    property alias prefixText: prefixTextField.text
 
     Text {
         id: caption
@@ -34,18 +37,26 @@ ColumnLayout {
         font.bold: true
     }
 
-    TextField {
-        id: textField
+    RowLayout {
+        Text {
+            id: prefixTextField
+            visible: text && text !== ""
+            color: layout.theme.captionTextColor
+        }
 
-        Layout.fillWidth: true
-        Layout.preferredHeight: layout.textFieldColumnHeight
-        verticalAlignment: Qt.AlignVCenter
+        TextField {
+            id: textField
+
+            Layout.fillWidth: true
+            Layout.preferredHeight: layout.textFieldColumnHeight
+            verticalAlignment: Qt.AlignVCenter
 
-        passwordCharacter: "*"
-        passwordMaskDelay: 500
+            passwordCharacter: "*"
+            passwordMaskDelay: 500
 
-        background: Rectangle {
-            color: layout.theme.background
+            background: Rectangle {
+                color: layout.theme.background
+            }
         }
     }
 }