Merge pull request #171 from pvanmulbregt/omega

DOC: Add missing backslash to omega for inline math example.

Author: rgommers

doc/example.py

@@ -93,7 +93,7 @@ def foo(var1, var2, long_var_name='hi'):
 
     .. math:: X(e^{j\omega } ) = x(n)e^{ - j\omega n}
 
-    And even use a greek symbol like :math:`omega` inline.
+    And even use a Greek symbol like :math:`\omega` inline.
 
     References
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