diff --git a/R/legTools.R b/R/legTools.R
index 5e3842347998eb0b2a244059613b9d5d148db1e5..94bcc1180611e66c28bff04bb88734332aef0b3a 100644
--- a/R/legTools.R
+++ b/R/legTools.R
@@ -7,14 +7,16 @@
 ##' @name legTools
 NULL
 
+#' @name wgpigs
+#'
 #' @title Feeding type in pig weight gain
 #' 
 #' @description This is an artifial dataset corresponding a experiment
 #' to study the effect of feeding type (factor with 4 categorical
 #' nominal levels) in pig weight gain. The experiment was a randomized
 #' complete design with five experimental units per treatment level. The
-#' experimental unit was a pig. The response measured was weight gain from
-#' the beggining to the end of the experiment.
+#' experimental unit was a pig. The response measured was weight gain
+#' from the beggining to the end of the experiment.
 #'
 #' \itemize{
 #'     \item ft feeding type, a categorical factor with 4 levels.
@@ -25,22 +27,20 @@ NULL
 #' 
 #' @keywords datasets
 #' 
-#' @name wgpigs
-#' 
 #' @usage data(wgpigs)
 #' 
 #' @format a \code{data.frame} with 20 records and 2 variables.
 #'
-#' @source Frederico, P. (2009). Curso de Estatística Experimental (15th
-#' ed.). Piracicaba, São Paulo: FEALQ.
+#' @source Frederico, P. (2009). Curso de Estat{\'i}stica Experimental
+#' (15th ed.). Piracicaba, S{\~a}o Paulo: FEALQ.
 #'
 #' @examples
 #' 
 #' require(lattice)
+#' data(wgpigs)
 #' 
 #' xyplot(wg~ft, data=wgpigs,
 #'        ylab="Weight gain (kg)",
 #'        xlab="Feeding type")
 #'
-#' @export
 NULL
diff --git a/man/legTools.Rd b/man/legTools.Rd
index 8fe73d17a13e619a61f09a51a241a976df128a96..699e49ba3975570d0e234d3daa179465d391de5f 100644
--- a/man/legTools.Rd
+++ b/man/legTools.Rd
@@ -1,5 +1,4 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/legTools.R
 \docType{package}
 \name{legTools}
 \alias{legTools}
diff --git a/man/subsetDropAll.Rd b/man/subsetDropAll.Rd
index 6bc8e357ac8d10fcdc84c02f36ad70434a1dde9d..19d5515408f83e8521e1a645559bb9a385b127e0 100644
--- a/man/subsetDropAll.Rd
+++ b/man/subsetDropAll.Rd
@@ -1,5 +1,4 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/subsetDropAll.R
 \name{subsetDropAll}
 \alias{subsetDropAll}
 \title{Drop unused levels after subset}
diff --git a/man/wgpigs.Rd b/man/wgpigs.Rd
index fa6aa5f680f006a7a121289a7e5f0ec5304d5674..9d75e6aeeab7fa78be3e0dd577d9bc10f18b31f0 100644
--- a/man/wgpigs.Rd
+++ b/man/wgpigs.Rd
@@ -1,13 +1,12 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/legTools.R
 \docType{data}
 \name{wgpigs}
 \alias{wgpigs}
 \title{Feeding type in pig weight gain}
 \format{a \code{data.frame} with 20 records and 2 variables.}
 \source{
-Frederico, P. (2009). Curso de Estatística Experimental (15th
-ed.). Piracicaba, São Paulo: FEALQ.
+Frederico, P. (2009). Curso de Estat{\'i}stica Experimental
+(15th ed.). Piracicaba, S{\~a}o Paulo: FEALQ.
 }
 \usage{
 data(wgpigs)
@@ -17,8 +16,8 @@ This is an artifial dataset corresponding a experiment
 to study the effect of feeding type (factor with 4 categorical
 nominal levels) in pig weight gain. The experiment was a randomized
 complete design with five experimental units per treatment level. The
-experimental unit was a pig. The response measured was weight gain from
-the beggining to the end of the experiment.
+experimental unit was a pig. The response measured was weight gain
+from the beggining to the end of the experiment.
 
 \itemize{
     \item ft feeding type, a categorical factor with 4 levels.
@@ -27,6 +26,7 @@ the beggining to the end of the experiment.
 }
 \examples{
 require(lattice)
+data(wgpigs)
 
 xyplot(wg~ft, data=wgpigs,
        ylab="Weight gain (kg)",