diff --git a/.Rbuildignore b/.Rbuildignore
index 816089f..874233f 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -3,4 +3,6 @@
 ^DRR\.Rcheck$
 ^checkpackage\.sh$
 ^\.travis\.yml$
-^scratch/
\ No newline at end of file
+^scratch/
+^doc$
+^Meta$
diff --git a/.gitignore b/.gitignore
index 10b927a..09b48e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ dir-locals.el
 inst/doc
 /R/#DRR.R#
 scratch
+doc
+Meta
diff --git a/DESCRIPTION b/DESCRIPTION
index fe82f5b..3d34c1e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -12,4 +12,4 @@ Suggests: knitr, rmarkdown
 VignetteBuilder: knitr
 LazyData: true
 Depends: kernlab, CVST, Matrix
-RoxygenNote: 6.0.1
+RoxygenNote: 7.0.2
diff --git a/man/drr.Rd b/man/drr.Rd
index fc6a9b7..c546152 100644
--- a/man/drr.Rd
+++ b/man/drr.Rd
@@ -4,10 +4,21 @@
 \alias{drr}
 \title{Dimensionality Reduction via Regression}
 \usage{
-drr(X, ndim = ncol(X), lambda = c(0, 10^(-3:2)), kernel = "rbfdot",
-  kernel.pars = list(sigma = 10^(-3:4)), pca = TRUE, pca.center = TRUE,
-  pca.scale = FALSE, fastcv = FALSE, cv.folds = 5, fastcv.test = NULL,
-  fastkrr.nblocks = 4, verbose = TRUE)
+drr(
+  X,
+  ndim = ncol(X),
+  lambda = c(0, 10^(-3:2)),
+  kernel = "rbfdot",
+  kernel.pars = list(sigma = 10^(-3:4)),
+  pca = TRUE,
+  pca.center = TRUE,
+  pca.scale = FALSE,
+  fastcv = FALSE,
+  cv.folds = 5,
+  fastcv.test = NULL,
+  fastkrr.nblocks = 4,
+  verbose = TRUE
+)
 }
 \arguments{
 \item{X}{input data, a matrix.}