typo

Author: manojo

learn/books.md

@@ -23,7 +23,7 @@ listed here.
 Scala**](http://www.artima.com/shop/programming_in_scala_2ed)
 – **Available Now**
 by Martin Odersky, Lex Spoon, and Bill Venners
-- firtst edition [available for free online reading](http://www.artima.com/pins1ed/)
+- first edition [available for free online reading](http://www.artima.com/pins1ed/)
 
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