Typo in docs home page

Author: ajdavis

docs/content/mongocxx-v3/index.md

@@ -11,7 +11,7 @@ slug = "index"
 # The mongocxx (v3) driver
 
 The mongocxx is a ground-up rewrite of a C++ driver for MongoDB based on
-[libmongoc](http://mongoc.org/).  It requires a C++11 compiler.  It it
+[libmongoc](http://mongoc.org/).  It requires a C++11 compiler.  It is
 known to build on x86 and x86-64 architectures for Linux, macOS,
 Windows, and FreeBSD.