diff --git a/R/read_bin_types.R b/R/read_bin_types.R
index ec22125d..5793425d 100644
--- a/R/read_bin_types.R
+++ b/R/read_bin_types.R
@@ -42,8 +42,8 @@ read_signed_int <- function(raw, cursor, n = 1L) {
 }
 
 #' read character from binary
-#'
 #' @inheritParams read_unsigned_int
+#' @param n_char integer with number of desired characters to read from raw
 #' @param encoding encoding to assign character strings that are read. Default
 #' is `"latin1"`., which will use Windows Latin 1 (ANSI) encoding. This is
 #' how Bruker software OPUS is assumed to commonly store strings.
diff --git a/man/read_character.Rd b/man/read_character.Rd
index 833d377e..7cc7f2d6 100644
--- a/man/read_character.Rd
+++ b/man/read_character.Rd
@@ -13,6 +13,8 @@ read_character(raw, cursor, n = 1L, n_char, encoding = "latin1")
 
 \item{n}{number of elements}
 
+\item{n_char}{integer with number of desired characters to read from raw}
+
 \item{encoding}{encoding to assign character strings that are read. Default
 is \code{"latin1"}., which will use Windows Latin 1 (ANSI) encoding. This is
 how Bruker software OPUS is assumed to commonly store strings.}