diff --git a/assembly.py b/assembly.py
index 3a2eef2..22d95c0 100644
--- a/assembly.py
+++ b/assembly.py
@@ -2050,7 +2050,7 @@ class AsmConstraint(AsmGroup):
         firstChild.Proxy.infos = order
         self.prevOrder = used
 
-        # now for thos instances that are 'out of place', lets assign some
+        # now for those instances that are 'out of place', lets assign some
         # initial placement
 
         partGroup = self.getAssembly().getPartGroup()
@@ -2347,7 +2347,7 @@ class AsmConstraint(AsmGroup):
             info = elements[0].Proxy.getInfo()
             if not isinstance(info.Part,tuple):
                 # The first element must be an link array in order to get
-                # multiplied. 
+                # multiplied.
 
                 #First, check if it is a link (with element count)
                 if getLinkProperty(info.Part,'ElementCount') is None:
@@ -3759,7 +3759,7 @@ class Assembly(AsmGroup):
 
         recursive: If True, continue finding the child of the next assembly.
 
-        relativeToChild: If True, the returned subname is realtive to the child
+        relativeToChild: If True, the returned subname is relative to the child
         object found, or else, it is relative to the assembly, i.e., including
         the child's name
 
@@ -4483,4 +4483,3 @@ class ViewProviderAsmPlainGroup(object):
             children = vobj.Object.Group + children
             editGroup(parent,group)
             editGroup(vobj.Object,children)
-
diff --git a/constraint.py b/constraint.py
index 25314ea..3f9c6e1 100644
--- a/constraint.py
+++ b/constraint.py
@@ -286,7 +286,7 @@ def _c(solver,partInfo,subname,shape,requireArc=False,retAll=False):
             if requireArc and not isinstance(r,tuple):
                 return 'an arc edge'
             return
-        return 'a cicular edge'
+        return 'a circular edge'
     if requireArc:
         key = subname+'.a'
     else:
@@ -353,7 +353,7 @@ def _c(solver,partInfo,subname,shape,requireArc=False,retAll=False):
         pln = _w(solver,partInfo,subname,shape,True)
         r = utils.getElementCircular(shape)
         if not r:
-            raise RuntimeError('shape is not cicular')
+            raise RuntimeError('shape is not circular')
         system.NameTag = nameTag + '.r'
         hr = system.addDistanceV(r)
         if requireArc or isinstance(r,(list,tuple)):
@@ -1284,7 +1284,7 @@ class PlaneCoincident(BaseCascade):
     _iconName = 'Assembly_ConstraintCoincidence.svg'
     _props = ['Multiply','Cascade','Offset','OffsetX','OffsetY'] + _AngleProps
     _tooltip = \
-      'Add a "{}" constraint to conincide planar faces of two or more parts.\n'\
+      'Add a "{}" constraint to coincide planar faces of two or more parts.\n'\
       'The faces are coincided at their centers with an optional distance.'
 
 
@@ -1380,7 +1380,7 @@ class PointsCoincident(Base):
     _entityDef = (_p,_p)
     _workplane = True
     _iconName = 'Assembly_ConstraintPointCoincident.svg'
-    _tooltips = 'Add a "{}" constraint to conincide two points in 2D or 3D'
+    _tooltips = 'Add a "{}" constraint to coincide two points in 2D or 3D'
 
 
 class PointInPlane(BaseMulti):
@@ -1665,10 +1665,10 @@ class SketchPlane(BaseSketch):
 
         # if there is any child element in this constraint, we expect the first
         # one to be a planar face or edge to define the work plane. The rest of
-        # entities must be from some draft wire or circle/arc 
+        # entities must be from some draft wire or circle/arc
         #
         # Base.prepare() will call system.addSketchPlane() with all contained
-        # element below. However, the default implementation, 
+        # element below. However, the default implementation,
         # SystemExtension.addSketchPlane(),  only really uses the first one,
         # i.e. the one obtained by _wa(), i.e. a tuple of entities
         # (workplane,base,normal).
@@ -1786,7 +1786,7 @@ class MidPoint(BaseSketch):
         if not func:
             return
         params = cls.getPropertyValues(obj) + cls.getEntities(obj,solver)
-        # temparary fix of slvs.addMidPoint(), which should have made wrkpln
+        # temporary fix of slvs.addMidPoint(), which should have made wrkpln
         # argument optional and defaults to 0
         if len(params)==2:
             params.append(0)