Merge pull request certik#49 from HaoZeke/patch-1

faq: Fix minor typo

Author: certik

src/faq.rst

@@ -212,7 +212,7 @@ most common starting index is 1.
 Why does Fortran default array indexing start at 1?
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-Because that is the most commong starting index (see previous question).
+Because that is the most common starting index (see previous question).
 
 What is the motivation behind Fortran numbering convention?
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