Fix typos

IPython/core/application.py

@@ -293,7 +293,7 b' class BaseIPythonApplication(Application):'
         printed on screen. For testing, the suppress_errors option is set
         to False, so errors will make tests fail.
 
-        `supress_errors` default value is to be `None` in which case the
+        `suppress_errors` default value is to be `None` in which case the
         behavior default to the one of `traitlets.Application`.
 
         The default value can be set :

IPython/core/ultratb.py

@@ -41,7 +41,7 b" Give it a shot--you'll love it or you'll hate it."
 .. note::
 
   The verbose mode print all variables in the stack, which means it can
-  potentially leak sensitive information like access keys, or unencryted
+  potentially leak sensitive information like access keys, or unencrypted
   password.
 
 Installation instructions for VerboseTB::

IPython/extensions/sympyprinting.py

@@ -14,7 +14,7 b' pretty-printed.'
 As of SymPy 0.7.2, maintenance of this extension has moved to SymPy under
 sympy.interactive.ipythonprinting, any modifications to account for changes to
 SymPy should be submitted to SymPy rather than changed here. This module is
-maintained here for backwards compatablitiy with old SymPy versions.
+maintained here for backwards compatibility with old SymPy versions.
 
 """
 #-----------------------------------------------------------------------------

IPython/testing/plugin/ipdoctest.py

@@ -574,7 +574,7 b' class IPDocTestRunner(doctest.DocTestRunner,object):'
         # so that it can propagate user variables loaded by %run into
         # test.globs.  We put them here into our modified %run as a function
         # attribute.  Our new %run will then only make the namespace update
-        # when called (rather than unconconditionally updating test.globs here
+        # when called (rather than unconditionally updating test.globs here
         # for all examples, most of which won't be calling %run anyway).
         #_ip._ipdoctest_test_globs = test.globs
         #_ip._ipdoctest_test_filename = test.filename

docs/source/whatsnew/version0.11.rst

@@ -264,7 +264,7 b' reference docs.'
 Refactoring
 -----------
 
-As of this release, a signifiant portion of IPython has been refactored.  This
+As of this release, a significant portion of IPython has been refactored.  This
 refactoring is founded on a number of new abstractions.  The main new classes
 that implement these abstractions are: