fix typo

Author: SethTisue

_posts/2018-01-16-community-build-growth.md

@@ -94,7 +94,7 @@ scala-async, scala-collections-laws, scala-continuations,
 scala-debugger, scala-gopher, scala-java8-compat, scala-js,
 scala-json-ast, scala-logging, scala-parser-combinators,
 scala-partest-interface, scala-partest, scala-records,
-pscala-refactoring, scala-ssh, scala-stm, scala-swing, scala-xml-quote,
+scala-refactoring, scala-ssh, scala-stm, scala-swing, scala-xml-quote,
 scalacheck, scalacheck-shapeless, scalafix, scalafmt, scalaj-http,
 scalachess, scaladex, scalalib, scalameta, scalameter, scalamock,
 scalapb-lenses, scalapb, scalaprops, scalariform, scalastyle,