Misc. typos

src/Mod/Arch/ArchComponent.py

@@ -95,7 +95,7 @@ else:
 
 def convertOldComponents(objs=[]):
     """converts Arch Objects with a Role property to the new IfcRole.
-    if no object is given, all object sof the active document are converted"""
+    if no object is given, all objects of the active document are converted"""
     if not objs:
         objs = FreeCAD.ActiveDocument.Objects
     if not isinstance(objs,list):

src/Mod/Arch/Dice3DS/dom3ds.py

@@ -1743,7 +1743,7 @@ def read_3ds_mem(membuf,check_magic=True,tight=False,recover=True):
                            recover=True)
 
     buffer: is an image of the 3DS file in memory.  It could be
-    a string, an mmaped file, or something else.
+    a string, a mapped file, or something else.
 
     check_magic: If true, this function checks that the top level
     chunk is the 3DS magic chunk (0x4D4D), and raises an exception