diff --git a/R/polyGui.R b/R/polyGui.R
index d9c9c3a2db01004f155290649ece8ddd0fac7a19..ba5f4e52c4f1cd9c7a2fa544b1f9fe0f7c1b46c6 100644
--- a/R/polyGui.R
+++ b/R/polyGui.R
@@ -2,10 +2,10 @@
 #'
 #' @name polyGui
 #'
-#' @description This function opens a interface to control the
+#' @description This function opens an interface to control the
 #' polynomial degree in linear regression. It shows the observed values
 #' and the corresponding fitted curve superimposed with confidence bands
-#' (for the fitted value) and show the residuals plot too. It assumes
+#' (for the fitted values) and also show the residuals plot. It assumes
 #' that \code{gWidgets} and \code{gWidgetstcltk} packages are available.
 #'
 #' @param x,y independent and dependent (numeric) regression variables.
diff --git a/R/twoStripCombined.R b/R/twoStripCombined.R
index 39774ae12b22ee31e3a658b3d7b991f067c8709b..7af9fd7219db8e2436fb574e16cd838294fc1db2 100644
--- a/R/twoStripCombined.R
+++ b/R/twoStripCombined.R
@@ -1,9 +1,10 @@
-#' @title Combine two strips in one to save space
+#' @title Combine two (lattice) strips in one to save space
 #'
 #' @name twoStripCombined
 #'
-#' @description this function allow combine tow strips in one to save
-#' space. It was designed to be used with two conditioning variables.
+#' @description This function allows combining two strips in one to save
+#' space in lattice graphics. It was designed to be used with two
+#' conditioning variables.
 #'
 #' @param textPos position of the strip annotation. The \code{"border"}
 #' value indicates that the first conditioning variable is to be aligned
@@ -26,7 +27,7 @@
 #'
 #' @examples
 #'
-#' require(lattice)
+#' library(lattice)
 #'
 #' xyplot(yield~K|N+P, data=npk, type=c("p","a"))
 #'
diff --git a/buildPkg.R b/buildPkg.R
index 7c3143862fe504461e3cb4b9903b461d9e282fc7..035f702ba4eadd5724d7a9e99efb77ab7358adb0 100644
--- a/buildPkg.R
+++ b/buildPkg.R
@@ -19,7 +19,7 @@ check_doc()
 
 ## Check functions, datasets, run examples, etc. Using cleanup = FALSE
 ## and check_dir = "../" will create a directory named legTools.Rcheck
-## with all the logs, manuals, figures from exemples, etc.
+## with all the logs, manuals, figures from examples, etc.
 check(cleanup = FALSE, manual = TRUE, vignettes = FALSE,
       check_dir = "../")
 
diff --git a/man/polyGui.Rd b/man/polyGui.Rd
index 2d4a4ef9ba8ab56f6b74596edbb670382d8b5602..97059264fee1f8bb3e127459178b246cbbeca8ae 100644
--- a/man/polyGui.Rd
+++ b/man/polyGui.Rd
@@ -19,10 +19,10 @@ range by a fraction on both sides and directions. Default is
 None is returned by the function.
 }
 \description{
-This function opens a interface to control the
+This function opens an interface to control the
 polynomial degree in linear regression. It shows the observed values
 and the corresponding fitted curve superimposed with confidence bands
-(for the fitted value) and show the residuals plot too. It assumes
+(for the fitted values) and also show the residuals plot. It assumes
 that \code{gWidgets} and \code{gWidgetstcltk} packages are available.
 }
 \examples{
diff --git a/man/twoStripCombined.Rd b/man/twoStripCombined.Rd
index 3746312e3c4f0b5fbf2a817e7a29a6e0efca00e1..3079f8671eafc03c03188938bd886d305b9894a7 100644
--- a/man/twoStripCombined.Rd
+++ b/man/twoStripCombined.Rd
@@ -2,7 +2,7 @@
 % Please edit documentation in R/twoStripCombined.R
 \name{twoStripCombined}
 \alias{twoStripCombined}
-\title{Combine two strips in one to save space}
+\title{Combine two (lattice) strips in one to save space}
 \usage{
 twoStripCombined(textPos = c("border", "center"), sep = ": ",
   invert = TRUE, which.given, which.panel, factor.levels, var.name,
@@ -24,11 +24,12 @@ placed on left strip side.}
 \item{which.given,which.panel,factor.levels,var.name,strip.names,bg,...}{arguments of \link[lattice]{strip.default}.}
 }
 \description{
-this function allow combine tow strips in one to save
-space. It was designed to be used with two conditioning variables.
+This function allows combining two strips in one to save
+space in lattice graphics. It was designed to be used with two
+conditioning variables.
 }
 \examples{
-require(lattice)
+library(lattice)
 
 xyplot(yield~K|N+P, data=npk, type=c("p","a"))