diff --git a/Caliper.py b/Caliper.py
index e6cd5fe..aab262b 100644
--- a/Caliper.py
+++ b/Caliper.py
@@ -150,7 +150,7 @@ def closestDistanceBetweenLines(a0,a1,b0,b1,clampAll=False,clampA0=False,clampA1
         clampB1=True
 
 
-    # Calculate denomitator
+    # Calculate denominator
     A = a1 - a0
     B = b1 - b0
     magA = np.linalg.norm(A)
diff --git a/Resources/ui/align-tool-docked-v1.6.ui b/Resources/ui/align-tool-docked-v1.6.ui
index 7e2dc88..881bc6c 100644
--- a/Resources/ui/align-tool-docked-v1.6.ui
+++ b/Resources/ui/align-tool-docked-v1.6.ui
@@ -208,7 +208,7 @@ Mass</string>
         </property>
         <property name="toolTip">
          <string notr="true">Center of
-Boundig Box</string>
+Bounding Box</string>
         </property>
         <property name="text">
          <string notr="true"/>
diff --git a/Resources/ui/align-tool-docked-v1.8-highdpi.ui b/Resources/ui/align-tool-docked-v1.8-highdpi.ui
index ca02ac1..acaf988 100644
--- a/Resources/ui/align-tool-docked-v1.8-highdpi.ui
+++ b/Resources/ui/align-tool-docked-v1.8-highdpi.ui
@@ -180,7 +180,7 @@ Faces/Planes or Edges/Axis</string>
              </property>
              <property name="toolTip">
               <string notr="true">Center of
-Boundig Box</string>
+Bounding Box</string>
              </property>
              <property name="text">
               <string notr="true"/>
diff --git a/Resources/ui/align-tool-docked-v1.9-highdpi.ui b/Resources/ui/align-tool-docked-v1.9-highdpi.ui
index 18c5831..4419f70 100644
--- a/Resources/ui/align-tool-docked-v1.9-highdpi.ui
+++ b/Resources/ui/align-tool-docked-v1.9-highdpi.ui
@@ -269,7 +269,7 @@
              </property>
              <property name="toolTip">
               <string notr="true">Center of
-Boundig Box</string>
+Bounding Box</string>
              </property>
              <property name="text">
               <string notr="true"/>
diff --git a/Resources/ui/align-tool-docked-v1.9c-highdpi.ui b/Resources/ui/align-tool-docked-v1.9c-highdpi.ui
index 5bc2670..c2662e7 100644
--- a/Resources/ui/align-tool-docked-v1.9c-highdpi.ui
+++ b/Resources/ui/align-tool-docked-v1.9c-highdpi.ui
@@ -269,7 +269,7 @@
              </property>
              <property name="toolTip">
               <string notr="true">Center of
-Boundig Box</string>
+Bounding Box</string>
              </property>
              <property name="text">
               <string notr="true"/>
diff --git a/Resources/ui/align-tool-docked-v1.9e-highdpi.ui b/Resources/ui/align-tool-docked-v1.9e-highdpi.ui
index 090a123..489b93a 100644
--- a/Resources/ui/align-tool-docked-v1.9e-highdpi.ui
+++ b/Resources/ui/align-tool-docked-v1.9e-highdpi.ui
@@ -256,7 +256,7 @@
              </property>
              <property name="toolTip">
               <string notr="true">Center of
-Boundig Box</string>
+Bounding Box</string>
              </property>
              <property name="text">
               <string notr="true"/>
diff --git a/oDraft.py b/oDraft.py
index 0de2ad2..7ece525 100644
--- a/oDraft.py
+++ b/oDraft.py
@@ -535,7 +535,7 @@ def select(objs=None):
                     FreeCADGui.Selection.addSelection(obj)
 
 def loadSvgPatterns():
-    "loads the default Draft SVG patterns and custom patters if available"
+    "loads the default Draft SVG patterns and custom patterns if available"
     import importSVG
     from PySide import QtCore
     FreeCAD.svgpatterns = {}
@@ -925,7 +925,7 @@ def makeBSpline(pointslist,closed=False,placement=None,face=None,support=None):
         else:                                                                            # len == 2 and first == last   GIGO
             msg(translate("draft","Draft.makeBSpline: Invalid pointslist\n"), 'error')
             return
-    # should have sensible parms from here on
+    # should have sensible params from here on
     if placement: typecheck([(placement,FreeCAD.Placement)], "makeBSpline")
     if len(pointslist) == 2: fname = "Line"
     else: fname = "BSpline"
@@ -5703,7 +5703,7 @@ def getParameterFromV0(self, edge, offset):
         return(edge.getParameterByLength(length))
 
     def orientShape(self,shape,edge,offset,RefPt,xlate,align,normal=None):
-        '''Orient shape to tangent at parm offset along edge.'''
+        '''Orient shape to tangent at param offset along edge.'''
         # http://en.wikipedia.org/wiki/Euler_angles
         import Part
         import DraftGeomUtils