diff --git a/R/fcwtr_scalogram.R b/R/fcwtr_scalogram.R
index d0ac999..7474252 100644
--- a/R/fcwtr_scalogram.R
+++ b/R/fcwtr_scalogram.R
@@ -262,6 +262,8 @@ rbind.fcwtr_scalogram <- function(...) {
 #' @param x The "fcwtr_scalogram" object resulting from [fcwt()] to print.
 #' @inheritParams base::print
 #'
+#' @return Returns the argument `x` invisibly.
+#'
 #' @export
 print.fcwtr_scalogram <- function(x, ...) {
   cat("_Scalogram_\n")
@@ -342,6 +344,8 @@ as.data.frame.fcwtr_scalogram <- function(x, ...) {
 #'  An "fcwtr_scalogram" object resulting from [fcwt()].
 #' @inheritParams base::as.matrix
 #'
+#' @return A two dimensional numeric vector, inheriting the S3 class "matrix".
+#'
 #' @examples
 #' fcwt(
 #'   sin((1:5000) * 2 * pi * 440 / 44100),
diff --git a/man/as.matrix.fcwtr_scalogram.Rd b/man/as.matrix.fcwtr_scalogram.Rd
index e9c58f9..f80d27d 100644
--- a/man/as.matrix.fcwtr_scalogram.Rd
+++ b/man/as.matrix.fcwtr_scalogram.Rd
@@ -11,6 +11,9 @@
 
 \item{...}{additional arguments to be passed to or from methods.}
 }
+\value{
+A two dimensional numeric vector, inheriting the S3 class "matrix".
+}
 \description{
 Strips attributes and class from a scalogram object to retrieve
 a pure matrix.
diff --git a/man/print.fcwtr_scalogram.Rd b/man/print.fcwtr_scalogram.Rd
index 10561fe..675cf3a 100644
--- a/man/print.fcwtr_scalogram.Rd
+++ b/man/print.fcwtr_scalogram.Rd
@@ -11,6 +11,9 @@
 
 \item{...}{further arguments passed to or from other methods.}
 }
+\value{
+Returns the argument \code{x} invisibly.
+}
 \description{
 \code{print()} prints its argument and returns it invisibly (via \code{invisible(x)}).
 }