diff --git a/.gitignore b/.gitignore
index 459379e5f68670614f1175357e524301f536dc18..d55718fc065746d8d88dec22a25d5e1f15e1bd52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 .Rd2pdf5516
 .Rd2pdf*
 data-raw/*.txt
+inst/doc
diff --git a/DESCRIPTION b/DESCRIPTION
index df05afebeb1a981805a14a3ef00dd4912e055a01..b8a49da74eb2bfdc423f63e6bb205cbe44d29bde 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -25,3 +25,4 @@ LazyData: TRUE
 URL: http://git.leg.ufpr.br/wbonat/mcglm
 BugReports: http://git.leg.ufpr.br/wbonat/mcglm/issues
 Encoding: UTF-8
+VignetteBuilder: knitr