diff --git a/plugins/samplesource/sdrplay/readme.md b/plugins/samplesource/sdrplay/readme.md
index 16838f31f..d5c5618c7 100644
--- a/plugins/samplesource/sdrplay/readme.md
+++ b/plugins/samplesource/sdrplay/readme.md
@@ -24,7 +24,7 @@ Controls common to all source plugins. See [main interface description](../../..
 
 <h3>2. Local oscillator frequency correction</h3>
 
-This is the correction in tenths of ppm steps. This is hardly useful with SDRplay as it has been found on spot. The MSi001 chip probably uses some sort of internal compensation. However this control is kept just in case.
+This is the correction in tenths of ppm steps.
 
 <h3>3. DC and IQ imbalance correction</h3>
 
diff --git a/plugins/samplesource/sdrplay/sdrplaygui.ui b/plugins/samplesource/sdrplay/sdrplaygui.ui
index 296236f62..c6c50d909 100644
--- a/plugins/samplesource/sdrplay/sdrplaygui.ui
+++ b/plugins/samplesource/sdrplay/sdrplaygui.ui
@@ -182,10 +182,10 @@
         <string>Local Oscillator ppm correction</string>
        </property>
        <property name="minimum">
-        <number>-200</number>
+        <number>-1000</number>
        </property>
        <property name="maximum">
-        <number>200</number>
+        <number>1000</number>
        </property>
        <property name="pageStep">
         <number>1</number>
@@ -651,17 +651,17 @@
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>ButtonSwitch</class>
+   <extends>QToolButton</extends>
+   <header>gui/buttonswitch.h</header>
+  </customwidget>
   <customwidget>
    <class>ValueDial</class>
    <extends>QWidget</extends>
    <header>gui/valuedial.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>ButtonSwitch</class>
-   <extends>QToolButton</extends>
-   <header>gui/buttonswitch.h</header>
-  </customwidget>
  </customwidgets>
  <resources>
   <include location="../../../sdrgui/resources/res.qrc"/>
diff --git a/plugins/samplesource/sdrplayv3/sdrplayv3gui.ui b/plugins/samplesource/sdrplayv3/sdrplayv3gui.ui
index 2dae1e0bc..b3f5a04e1 100644
--- a/plugins/samplesource/sdrplayv3/sdrplayv3gui.ui
+++ b/plugins/samplesource/sdrplayv3/sdrplayv3gui.ui
@@ -198,10 +198,10 @@
         <string>Local Oscillator ppm correction</string>
        </property>
        <property name="minimum">
-        <number>-200</number>
+        <number>-1000</number>
        </property>
        <property name="maximum">
-        <number>200</number>
+        <number>1000</number>
        </property>
        <property name="pageStep">
         <number>1</number>
@@ -767,17 +767,17 @@
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>ButtonSwitch</class>
+   <extends>QToolButton</extends>
+   <header>gui/buttonswitch.h</header>
+  </customwidget>
   <customwidget>
    <class>ValueDial</class>
    <extends>QWidget</extends>
    <header>gui/valuedial.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>ButtonSwitch</class>
-   <extends>QToolButton</extends>
-   <header>gui/buttonswitch.h</header>
-  </customwidget>
   <customwidget>
    <class>TransverterButton</class>
    <extends>QPushButton</extends>