diff --git a/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui b/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
index 0b1228b10..219747075 100644
--- a/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
+++ b/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
@@ -70,7 +70,7 @@
         <item>
          <widget class="Gui::PrefCheckBox" name="gui::prefcheckboxviewtreeprovider">
           <property name="toolTip">
-           <string>If this is checked, Features will claim thier children in the tree view</string>
+           <string>If this is checked, Features will claim their children in the tree view</string>
           </property>
           <property name="text">
            <string>Use ViewProvider in Tree View</string>
@@ -341,7 +341,7 @@
         <item row="0" column="2">
          <widget class="QLabel" name="label_3m">
           <property name="toolTip">
-           <string>Maxium Length</string>
+           <string>Maximum Length</string>
           </property>
           <property name="text">
            <string>MaxLength</string>
diff --git a/src/Mod/OpenSCAD/colorcodeshapes.py b/src/Mod/OpenSCAD/colorcodeshapes.py
index 405a93045..f60b05d65 100644
--- a/src/Mod/OpenSCAD/colorcodeshapes.py
+++ b/src/Mod/OpenSCAD/colorcodeshapes.py
@@ -25,8 +25,8 @@ __author__ = "Sebastian Hoogen"
 __url__ = ["http://www.freecadweb.org"]
 
 '''
-This Script includes python functions to ifind out the most basic shape type
-in a compound and to change the color of shapes according to thier shape type
+This Script includes python functions to find out the most basic shape type
+in a compound and to change the color of shapes according to their shape type
 '''
 
 import FreeCAD