repair several spelling errors

R/clipboard.R

@@ -43,7 +43,7 @@ read_clip <- function() {
 #' @param content An object to be written to the system clipboard.
 #' @param object_type write_clip() tries to be smart about writing objects in a
 #'   useful manner. If passed a data.frame or matrix, it will format it using
-#'   \code{\link{write.table}} for pasting into an external spreasheet program.
+#'   \code{\link{write.table}} for pasting into an external spreadsheet program.
 #'   It will otherwise coerce the object to a character vector. \code{auto} will
 #'   check the object type, otherwise \code{table} or \code{character} can be
 #'   explicitly specified.

R/clipr-package.R

@@ -8,7 +8,7 @@
 #' clipboard. \code{\link{read_clip_tbl}} will attempt to process the clipboard
 #' content like a table copied from a spreadsheet program.
 #'
-#' \code{\link{clipr_available}} is useful when buildling packages that
+#' \code{\link{clipr_available}} is useful when building packages that
 #' depend on \link{clipr} functionality.
 #'
 #' @docType package

R/sys_type.R

@@ -5,7 +5,7 @@ sys_type <- function() {
 
 #' Is the system clipboard available?
 #'
-#' Checks to see if the system clipboard is writeable/readable. This may be
+#' Checks to see if the system clipboard is write-able/read-able. This may be
 #' useful if you are developing a package that relies on \link{clipr} and need
 #' to ensure that it will skip tests on machines (e.g. CRAN, Travis) where
 #' the system clipboard may not be available.