diff --git a/DESCRIPTION b/DESCRIPTION
index 2002425..f0dfc33 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -42,4 +42,4 @@ VignetteBuilder:
     knitr
 Encoding: UTF-8
 LazyData: true
-RoxygenNote: 7.1.2
+RoxygenNote: 7.2.3
diff --git a/NEWS.md b/NEWS.md
index 8c469b8..12752c0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,3 @@
-
 # datplot 1.1.0
 * add an option to directly calculate the cumulative weight (which only works
 if it is used with a stepsize of 1, because otherwise the cumulative weight
diff --git a/R/get_histogramscale.R b/R/get_histogramscale.R
index fef098f..6f46206 100644
--- a/R/get_histogramscale.R
+++ b/R/get_histogramscale.R
@@ -29,7 +29,7 @@ get.histogramscale <- function(DAT_df_steps, binwidth = "stepsize") {
       stop("'binwidth == 'stepsize'' cannot be used with a number, supply either a dataframe as returned by datsteps or a numerical binwidth")
     }
   } else {
-    if (class(DAT_df_steps) == "data.frame") {
+    if (inherits(DAT_df_steps, "data.frame")) {
       nrow <- nrow(DAT_df_steps)
     }
     if (is.atomic(DAT_df_steps)) {
diff --git a/man/get.histogramscale.Rd b/man/get.histogramscale.Rd
index 5894384..d52fbe8 100644
--- a/man/get.histogramscale.Rd
+++ b/man/get.histogramscale.Rd
@@ -1,5 +1,5 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/get.histogramscale.R
+% Please edit documentation in R/get_histogramscale.R
 \name{get.histogramscale}
 \alias{get.histogramscale}
 \title{Scaling Factor for Combined Histogramm Plots}