diff --git a/README.md b/README.md
index b3aa900..f33bc5f 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 ![RepRaptor logo](http://reprap.org/mediawiki/images/b/b0/RepRaptor_logo2.png)
 # RepRaptor
-A Qt RepRap gcode sender/host controller
+A Qt RepRap gcode sender/host controller aimed to be fast and minimalistic.
 
-Right now the project is in early stage, use only for development testing!
+Right now the project is in early stage, nigtly builds are available.
 
 ## Screenshots
 ![RepRaptor printing a file](http://reprap.org/mediawiki/images/2/2d/RepRaptor_screenshot0.png)
diff --git a/mainwindow.ui b/mainwindow.ui
index 377ece3..6586dd4 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -111,8 +111,11 @@
        </item>
        <item row="5" column="0" colspan="4">
         <widget class="QDoubleSpinBox" name="estepspin">
+         <property name="locale">
+          <locale language="English" country="UnitedStates"/>
+         </property>
          <property name="minimum">
-          <double>0.100000000000000</double>
+          <double>1.000000000000000</double>
          </property>
          <property name="maximum">
           <double>150.000000000000000</double>
@@ -261,12 +264,18 @@
        </item>
        <item row="5" column="4" colspan="5">
         <widget class="QDoubleSpinBox" name="stepspin">
+         <property name="locale">
+          <locale language="English" country="UnitedStates"/>
+         </property>
          <property name="minimum">
           <double>0.100000000000000</double>
          </property>
          <property name="maximum">
           <double>100.000000000000000</double>
          </property>
+         <property name="value">
+          <double>1.000000000000000</double>
+         </property>
         </widget>
        </item>
        <item row="3" column="0" colspan="4">
diff --git a/settingswindow.ui b/settingswindow.ui
index 0cf8ee6..c46f34f 100644
--- a/settingswindow.ui
+++ b/settingswindow.ui
@@ -126,6 +126,9 @@
     </item>
     <item row="0" column="1">
      <widget class="QSpinBox" name="bedxbox">
+      <property name="minimum">
+       <number>1</number>
+      </property>
       <property name="maximum">
        <number>9999</number>
       </property>
@@ -140,6 +143,9 @@
     </item>
     <item row="0" column="3">
      <widget class="QSpinBox" name="bedybox">
+      <property name="minimum">
+       <number>1</number>
+      </property>
       <property name="maximum">
        <number>9999</number>
       </property>