diff --git a/DESCRIPTION b/DESCRIPTION
index b2e6191..d84c724 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -6,8 +6,8 @@ Authors@R: c(
     person("Shantanu", "Singh", email = "shsingh@broadinstitute.org", role = c("aut", "cre", "cph")),
     person("Gregory", "Way", email = "gway@broadinstitute.org", role = c("aut"))
   )
-Description: Functions to calculate quality metrics for readouts from 
-  high-throughput profiling experiments.
+Description: Calculate quality metrics for readouts from high-throughput 
+  profiling experiments.
 License: BSD_3_clause + file LICENSE
 Encoding: UTF-8
 LazyData: true
diff --git a/R/sim_read-write.R b/R/sim_read-write.R
index e30e0f0..dbeb126 100644
--- a/R/sim_read-write.R
+++ b/R/sim_read-write.R
@@ -14,7 +14,7 @@ utils::globalVariables(c("."))
 #' @param output character string specifying the output directory or filename.
 #' @param file_format character string specify file format. This must be one of \code{csv} or \code{parquet}(default).
 #'
-#' @return NULL
+#' @return No return value, called for side effects
 #' @export
 #'
 #' @importFrom magrittr %>%
diff --git a/R/utils-tidy-eval.R b/R/utils-tidy-eval.R
index 09c3698..238906f 100644
--- a/R/utils-tidy-eval.R
+++ b/R/utils-tidy-eval.R
@@ -104,4 +104,5 @@
 #' @importFrom rlang enquo enquos .data := as_name as_label
 #' @aliases enquo enquos .data := as_name as_label
 #' @export enquo enquos .data := as_name as_label
+#' @return No return value, called for side effects
 NULL
diff --git a/README.Rmd b/README.Rmd
index 91c13dc..b6d573a 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -21,9 +21,7 @@ knitr::opts_chunk$set(
 
 <!-- badges: end -->
 
-Metrics for Similarity Matrices.
-
-`matric` contains functions to calculate quality metrics for readouts from high-throughput profiling experiments.
+`matric` calculates quality metrics for readouts from high-throughput profiling experiments.
 
 ## Installation
 
diff --git a/man/sim_write.Rd b/man/sim_write.Rd
index 3527936..bde3586 100644
--- a/man/sim_write.Rd
+++ b/man/sim_write.Rd
@@ -13,6 +13,9 @@ sim_write(sim_df, output, file_format = "parquet")
 
 \item{file_format}{character string specify file format. This must be one of \code{csv} or \code{parquet}(default).}
 }
+\value{
+No return value, called for side effects
+}
 \description{
 \code{sim_write} writes similarity matrix.
 }
diff --git a/man/tidyeval.Rd b/man/tidyeval.Rd
index f773abf..5abf2ec 100644
--- a/man/tidyeval.Rd
+++ b/man/tidyeval.Rd
@@ -9,6 +9,9 @@
 \alias{as_name}
 \alias{as_label}
 \title{Tidy eval helpers}
+\value{
+No return value, called for side effects
+}
 \description{
 This page lists the tidy eval tools reexported in this package from
 rlang. To learn about using tidy eval in scripts and packages at a