Update index.html

fixed spelling `anually` to `annually`

Author: kracekumar

index.html

@@ -110,7 +110,7 @@
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-                PyCon India is the premier conference on using and developing the <a href="http://python.org/">Python programming language</a> in India, conducted anually by the <a href="http://python.org.in/">Python developer community</a>, it attracts best Python programmers from India and abroad. 
+                PyCon India is the premier conference on using and developing the <a href="http://python.org/">Python programming language</a> in India, conducted annually by the <a href="http://python.org.in/">Python developer community</a>, it attracts best Python programmers from India and abroad. 
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