diff --git a/R/ci.R b/R/ci.R
index 797252c..fff68f0 100644
--- a/R/ci.R
+++ b/R/ci.R
@@ -1,4 +1,3 @@
-
 #' Add confidence interval and relative frequency variables
 #'
 #' Using \code{\link{prop.test}}, \code{ci} adds three columns to a data frame:
@@ -6,6 +5,7 @@
 #' 2. lower bound of a confidence interval (\code{ci.low})
 #' 3. upper bound of a confidence interval
 #'
+#'
 #' @seealso
 #' \code{ci} is alread included in \code{\link{frequencyQuery}}
 #'
@@ -18,6 +18,7 @@
 #' @export
 #' @importFrom stats prop.test
 #' @importFrom tibble remove_rownames
+#' @importFrom dplyr enquo rename starts_with
 #' @examples
 #' library(ggplot2)
 #' kco <- new("KorAPConnection", verbose=TRUE)