diff --git a/DESCRIPTION b/DESCRIPTION
index 70fb262..571c9ca 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: rawrr
 Type: Package
 Title: Direct Access to Orbitrap Data and Beyond
-Version: 1.7.8
+Version: 1.7.9
 Authors@R: c(person("Christian", "Panse",
         email = "cp@fgcz.ethz.ch",
         role = c("aut", "cre"),
diff --git a/R/rawrr.R b/R/rawrr.R
index f47cee8..5486107 100644
--- a/R/rawrr.R
+++ b/R/rawrr.R
@@ -189,8 +189,8 @@ is.rawrrSpectrumSet <- function(x){
 
 #' read file header Information
 #'
-#' @param rawfile the name of the Thermo Fisher Scietific raw file
-#' @description The function extracts meta information from a given rawfile.
+#' @param rawfile the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.
+#' @description This function extracts the meta information from a given raw file.
 #' @author Tobias Kockmann and Christian Panse 2018, 2019, 2020.
 #' @references Thermo Fisher Scientific's NewRawfileReader C# code snippets
 #' \url{https://planetorbitrap.com/rawfilereader}.
@@ -221,7 +221,7 @@ readFileHeader <- function(rawfile){
 # readIndex-----
 #' Read scan index
 #'
-#' @param rawfile the name of the Thermo Fisher Scientific raw file.
+#' @inheritParams readFileHeader
 #' @param tmpdir defines the directory used to store temporary data generated by
 #' the .NET assembly \code{rawrr.exe}. The default uses \code{tempdir()}.
 #' 
@@ -279,11 +279,9 @@ readIndex <- function(rawfile, tmpdir=tempdir()){
 
 #' derive scans number which match a specified filter
 #'
-#' @param rawfile the name of the Thermo Fisher Scietific raw file
+#' @inheritParams readIndex
 #' @param filter scan filter string, e.g., \code{ms} or \code{ms2}
 #' @param precision mass precision, default is 10.
-#' @param tmpdir defines the directory used to store temporary data generated by
-#' the .NET assembly \code{rawrr.exe}. The default uses \code{tempdir()}.
 #'
 #' @return a vecntor of integer values.
 filter <- function(rawfile, filter = "ms", precision = 10, tmpdir=tempdir()){
@@ -466,10 +464,8 @@ sampleFilePath <- function(){
 #' @description The function derives spectra of a given raw file and a given
 #' vector of scan numbers.
 #' 
-#' @param rawfile the name of the Thermo Fisher Scientific raw file.
+#' @inheritParams readIndex
 #' @param scan a vector of requested scan numbers.
-#' @param tmpdir defines the directory used to store temporary data generated by
-#' the .NET assembly \code{rawrr.exe}. The default uses \code{tempdir()}.
 #' @param validate boolean default is \code{FALSE}.
 #' @param mode if \code{mode = "barebone"} only mZ, intensity, pepmass, rtinseconds
 #' and charge state is returned. As default mode is \code{""}.
@@ -665,7 +661,7 @@ Please check the debug files:\n\t%s\n\t%s\nand the System Requirements",
 # readChromatogram ---------
 #' Extracts chromatographic data from a raw file.
 #'
-#' @param rawfile the file name.
+#' @inheritParams readFileHeader
 #' @param mass a vector of mass values iff \code{type = 'xic'}.
 #' @param tol mass tolerance in ppm iff \code{type = 'xic'}.
 #' @param filter defines the scan filter, default is \code{filter="ms"} if a
@@ -1423,11 +1419,9 @@ auc.rawrrChromatogram <- function(x){
 # readTrailer ---------
 #' Read and extract scan trailer from TFS raw files.
 #'
-#' @param rawfile the name of the Thermo Fisher Scientific raw file.
+#' @inheritParams readIndex
 #' @param label if NULL; the function scans for all available labels.
 #' @param verbose print message of temp files; default is \code{FALSE}.
-#' @param tmpdir defines the directory used to store temporary data generated by
-#' the .NET assembly \code{rawrr.exe}. The default uses \code{tempdir()}.
 #'
 #' @return an vector of trailers or values of a given trailer. Of note,
 #' the values are usually returned as a character.
diff --git a/man/filter.Rd b/man/filter.Rd
index 004e33b..a694813 100644
--- a/man/filter.Rd
+++ b/man/filter.Rd
@@ -7,7 +7,7 @@
 filter(rawfile, filter = "ms", precision = 10, tmpdir = tempdir())
 }
 \arguments{
-\item{rawfile}{the name of the Thermo Fisher Scietific raw file}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 
 \item{filter}{scan filter string, e.g., \code{ms} or \code{ms2}}
 
diff --git a/man/readChromatogram.Rd b/man/readChromatogram.Rd
index d7bec01..a4b27b3 100644
--- a/man/readChromatogram.Rd
+++ b/man/readChromatogram.Rd
@@ -7,7 +7,7 @@
 readChromatogram(rawfile, mass = NULL, tol = 10, filter = "ms", type = "xic")
 }
 \arguments{
-\item{rawfile}{the file name.}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 
 \item{mass}{a vector of mass values iff \code{type = 'xic'}.}
 
diff --git a/man/readFileHeader.Rd b/man/readFileHeader.Rd
index 32e29e3..bcd19f2 100644
--- a/man/readFileHeader.Rd
+++ b/man/readFileHeader.Rd
@@ -7,7 +7,7 @@
 readFileHeader(rawfile)
 }
 \arguments{
-\item{rawfile}{the name of the Thermo Fisher Scietific raw file}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 }
 \value{
 A list object containing the following entries: RAW file version,
@@ -21,7 +21,7 @@ Sample volume, Sample injection volume, Sample row number,
 Sample dilution factor, or Sample barcode.
 }
 \description{
-The function extracts meta information from a given rawfile.
+This function extracts the meta information from a given raw file.
 }
 \examples{
 rawrr::sampleFilePath() |> readFileHeader()
diff --git a/man/readIndex.Rd b/man/readIndex.Rd
index 40d36b4..4e0a22e 100644
--- a/man/readIndex.Rd
+++ b/man/readIndex.Rd
@@ -7,7 +7,7 @@
 readIndex(rawfile, tmpdir = tempdir())
 }
 \arguments{
-\item{rawfile}{the name of the Thermo Fisher Scientific raw file.}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 
 \item{tmpdir}{defines the directory used to store temporary data generated by
 the .NET assembly \code{rawrr.exe}. The default uses \code{tempdir()}.}
diff --git a/man/readSpectrum.Rd b/man/readSpectrum.Rd
index 49f65ca..f41a1b7 100644
--- a/man/readSpectrum.Rd
+++ b/man/readSpectrum.Rd
@@ -14,7 +14,7 @@ readSpectrum(
 )
 }
 \arguments{
-\item{rawfile}{the name of the Thermo Fisher Scientific raw file.}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 
 \item{scan}{a vector of requested scan numbers.}
 
diff --git a/man/readTrailer.Rd b/man/readTrailer.Rd
index 1e0e1c3..3dbb5f2 100644
--- a/man/readTrailer.Rd
+++ b/man/readTrailer.Rd
@@ -7,7 +7,7 @@
 readTrailer(rawfile, label = NULL, tmpdir = tempdir(), verbose = FALSE)
 }
 \arguments{
-\item{rawfile}{the name of the Thermo Fisher Scientific raw file.}
+\item{rawfile}{the name of the raw file containing the mass spectrometry data from the Thermo Fisher Scientific instrument.}
 
 \item{label}{if NULL; the function scans for all available labels.}