diff --git a/R/data.R b/R/data.R
index a22e9f5..7fff994 100644
--- a/R/data.R
+++ b/R/data.R
@@ -286,7 +286,7 @@ NULL
 #' from the CivicSpace Database (August 2004) augmented by Daniel Coven's [web
 #' site](http://federalgovernmentzipcodes.us/) (updated on January 22, 2012).
 #' The data was originally contained in the
-#' [`zipcodes`](https://CRAN.R-project.org/package=zipcode) CRAN package, which
+#' [`zipcode`](https://CRAN.R-project.org/package=zipcode) CRAN package, which
 #' was archived on January 1, 2020.
 #'
 #' @format A tibble with 52 rows and 9 variables:
diff --git a/README.Rmd b/README.Rmd
index 1aaa08e..378fe17 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -91,7 +91,7 @@ usa::facts
 usa::territory
 ```
 
-ZIP codes from the archived ['zipcodes'][zip] package are also included
+ZIP codes from the archived ['zipcode'][zip] package are also included
 
 ```{r zipcodes}
 usa::zipcodes
@@ -117,11 +117,11 @@ contributing to this project, you agree to abide by its terms.
 [cran_link]: https://CRAN.R-project.org/package=usa
 [trav_badge]: https://travis-ci.org/kiernann/usa.svg?branch=master
 [trav_link]: https://travis-ci.org/kiernann/usa
-[cov_badge]: https://codecov.io/gh/kiernann/usa/branch/master/graph/badge.svg
+[cov_badge]: https://img.shields.io/codecov/c/github/kiernann/usa/master.svg
 [cov_link]: https://codecov.io/gh/kiernann/usa?branch=master
 [tib]: https://tibble.tidyverse.org/
 [gh]: https://github.com/kiernann/usa
-[zip]: https://cran.r-project.org/package=zipcodes
+[zip]: https://cran.r-project.org/package=zipcode
 [pew]: http://pewrsr.ch/2rNawC7
 [coc]: https://kiernann.com/usa/CODE_OF_CONDUCT.html
 <!-- refs: end -->
diff --git a/README.md b/README.md
index f055cdb..d889cfe 100644
--- a/README.md
+++ b/README.md
@@ -12,10 +12,10 @@ status](https://www.r-pkg.org/badges/version/usa)](https://CRAN.R-project.org/pa
 [![Travis build
 status](https://travis-ci.org/kiernann/usa.svg?branch=master)](https://travis-ci.org/kiernann/usa)
 [![Codecov test
-coverage](https://codecov.io/gh/kiernann/usa/branch/master/graph/badge.svg)](https://codecov.io/gh/kiernann/usa?branch=master)
+coverage](https://img.shields.io/codecov/c/github/kiernann/usa/master.svg)](https://codecov.io/gh/kiernann/usa?branch=master)
 <!-- badges: end -->
 
-The goal of ‘usa’ is to provide updated versions of the ‘dataset’
+The goal of ‘usa’ is to provide updated versions of the ‘datasets’
 objects included with R. When attached, this package **overwrites**
 these original vectors with information on all fifty states, the
 District of Columbia, and Puerto Rico. As of now, information on the
@@ -118,8 +118,8 @@ usa::territory
 ```
 
 ZIP codes from the archived
-[‘zipcodes’](https://cran.r-project.org/package=zipcodes) package
-are also included
+[‘zipcode’](https://cran.r-project.org/package=zipcode) package are
+also included
 
 ``` r
 usa::zipcodes
diff --git a/data-raw/zipcodes.R b/data-raw/zipcodes.R
index 96e050f..96ea0c1 100644
--- a/data-raw/zipcodes.R
+++ b/data-raw/zipcodes.R
@@ -3,7 +3,7 @@
 library(tidyverse)
 library(fs)
 
-# download and read archives {zipcodes} package data
+# download and read archives {zipcode} package data
 zip_url <- "https://cran.r-project.org/src/contrib/Archive/zipcode/zipcode_1.0.tar.gz"
 zip_file <- file_temp(ext = ".tar.gz")
 download.file(zip_url, zip_file)
diff --git a/man/zipcodes.Rd b/man/zipcodes.Rd
index 8965093..55d9a86 100644
--- a/man/zipcodes.Rd
+++ b/man/zipcodes.Rd
@@ -24,7 +24,7 @@ zipcodes
 This tibble contains city, state, latitude, and longitude for U.S. ZIP codes
 from the CivicSpace Database (August 2004) augmented by Daniel Coven's \href{http://federalgovernmentzipcodes.us/}{web site} (updated on January 22, 2012).
 The data was originally contained in the
-\href{https://CRAN.R-project.org/package=zipcode}{\code{zipcodes}} CRAN package, which
+\href{https://CRAN.R-project.org/package=zipcode}{\code{zipcode}} CRAN package, which
 was archived on January 1, 2020.
 }
 \keyword{datasets}