Fix typos

IPython/lib/pretty.py

@@ -541,7 +541,7 b' class RawText:'
 class CallExpression:
     """ Object which emits a line-wrapped call expression in the form `__name(*args, **kwargs)` """
     def __init__(__self, __name, *args, **kwargs):
-        # dunders are to avoid clashes with kwargs, as python's name manging
+        # dunders are to avoid clashes with kwargs, as python's name managing
         # will kick in.
         self = __self
         self.name = __name
@@ -555,7 +555,7 b' class CallExpression:'
         return inner
 
     def _repr_pretty_(self, p, cycle):
-        # dunders are to avoid clashes with kwargs, as python's name manging
+        # dunders are to avoid clashes with kwargs, as python's name managing
         # will kick in.
 
         started = False