diff --git a/DESCRIPTION b/DESCRIPTION
index b63f0ad..2ab9ed2 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -45,8 +45,8 @@ Authors@R: c(person(given="Clinton", family="Mccrowey",
                     comment = "West Virginia Department of Environmental Protection, Division of Air Quality"
                   )
              )
-URL: <https://github.com/USEPA/RAQSAPI>,
-     <https://aqs.epa.gov/aqsweb/documents/data_api.html>
+URL: https://github.com/USEPA/RAQSAPI/,
+     https://aqs.epa.gov/aqsweb/documents/data_api.html
 BugReports: https://github.com/USEPA/RAQSAPI/issues
 Depends: R (>= 4.0.0)
 Imports: 
diff --git a/MD5 b/MD5
index ab259a2..a4be22a 100644
--- a/MD5
+++ b/MD5
@@ -2,11 +2,11 @@
 f4ff2345ea66f98028bea8e07bb9b6fa *codemeta.json
 6e5839d0c24939143566d26d7f427fce *cran-comments.md
 6e5839d0c24939143566d26d7f427fce *cran-comments.Rmd
-d4d029fe53e81834a1917cfedb301963 *DESCRIPTION
+8d3b9fa84140908686c8837fa1056041 *DESCRIPTION
 1dc95961c4c280f8645a65d15662725f *dev/contributing.md
 4fc13def6ec5d889261f1f22a13ba542 *dev/contributing.Rmd
 74e297a0dc0b508ed18e3821264958d0 *dev/countlinesofcode.R
-f0746c194aa05f99068a1c8c86ce56f2 *dev/install_RAQSAPI.R
+ed21caa73378a9cdf8de4df12cc848c0 *dev/install_RAQSAPI.R
 3c41777493d242206848842b6ba74fde *inst/CITATION
 3df907b50c4f00bc26ee6d988e0c849f *inst/codecov.yml
 dd65d70b425fb86f7c8b6d8841a837d8 *inst/schemaorg.json
@@ -116,7 +116,7 @@ f41ed996be135fb35afe00641621da61 *man/figures/lifecycle-questioning.svg
 306bef67d1c636f209024cf2403846fd *man/figures/lifecycle-soft-deprecated.svg
 ed42e3fbd7cc30bc6ca8fa9b658e24a8 *man/figures/lifecycle-stable.svg
 bf2f1ad432ecccee3400afe533404113 *man/figures/lifecycle-superseded.svg
-792c28b91a2c0b5e0b060a2f18a20464 *man/RAQSAPI.Rd
+14dea302d2901ec5384577249f059654 *man/RAQSAPI.Rd
 eef9bd75f39b496fcfd63a36be7fb5a8 *NAMESPACE
 68f4c551ed9b572bb7c6a3ab9228b75c *R/AQSAPI_helperfunctions.R
 a3558975d0256839b174ab7868833075 *R/bybox.R
@@ -127,14 +127,14 @@ d82b1ff8ee144afca1879e5b8dc58840 *R/byma.R
 6acae078848030131e628154099e5f53 *R/bysite.R
 2e6e59d801dc3b6bd5e415ada7268469 *R/bystate.R
 5b01d32e630b9b68041a139e4ae6f748 *R/deprecated.R
-87275ab3c5bd1af63ecfbd835ea8f53b *R/RAQSAPI-package.R
+6fb9bc5a422698bef6bdd147006c0439 *R/RAQSAPI-package.R
 cebed24e7ab755d8642a74c7e9b80fd5 *R/RAQSAPIlistfunctions.R
 e6e3b87e48f4403642382987b0f40714 *R/setupfunctions.R
 6e659bb3bbf313dc819d4c029f0b22d0 *R/zzz.R
 25bf50b0ec79d01de8b83b7b5801b4ac *RAQSAPI.code-workspace
 a69de5455537022556f014579766be59 *RAQSAPI.Rproj
-9f1bd2ef6f1343108dfae0fa0d6d9cac *README.md
-b2370e0e3f63a29557cd8f74746d74f6 *README.Rmd
+1ef6fd253bab1a2805a72a3777e9eff2 *README.md
+9e80ce935498c732a40296459634eb91 *README.Rmd
 7ed08f3fb96a77ec01c95c2ad7964250 *revdep/data.sqlite
 34952a5944548ea4fc132a9899f8e6ab *revdep/email.yml
 b7715aa47f5635cfb52f34937886aedf *revdep/library/RAQSAPI/old/askpass/DESCRIPTION
@@ -1329,11 +1329,11 @@ bfcb21038f480e4e9638486f99b45efa *tests/testthat/test-byMA.R
 273dda836db047478bc65a94c7e0a05d *tests/testthat/test-bystate.R
 9ac730cce5b9a3d7b4b877512bc4de25 *tests/testthat/test-helperfunctions.R
 2391f6b331d4bc3e5e9e6a0b73980eba *tests/testthat/test-RAQSAPlistfunctions.R
-a55434f85eb9ec8d1c4706997b49cc10 *vignettes/Acknowledgements.html
-1798121e142b3da718a2e54435a7ef9a *vignettes/Acknowledgements.Rmd
+ce44f2334218eff76881442d89ebdee0 *vignettes/Acknowledgements.html
+36ae3777b8fd72d52f8a4a6bfa756207 *vignettes/Acknowledgements.Rmd
 22d607e5d49e10047a911e5d42183c34 *vignettes/acs-nano.csl
 0ec78b946a45069323acf54a24c77566 *vignettes/american-chemical-society.csl
-e1df58c4692ce8a6e9743bf9d594ff9e *vignettes/AQSAPI.bib
+847af4aba6af007f68c8173be0275e23 *vignettes/AQSAPI.bib
 de323c3deb36e066a7583c5b756ae49b *vignettes/EPA_Disclaimer.html
 a79d926b2ab509e6a9e575539b205280 *vignettes/EPA_Disclaimer.Rmd
 9f8f6638c5178a9bec62665b4cef5e1d *vignettes/figures/AQS_LOGO.png
diff --git a/R/RAQSAPI-package.R b/R/RAQSAPI-package.R
index 16292f1..68c9a96 100644
--- a/R/RAQSAPI-package.R
+++ b/R/RAQSAPI-package.R
@@ -3,7 +3,7 @@
 
 
 #' @title RAQSAPI: A R Interface to The United States Environmental Protection
-#' Agency's Air Quality System Data Mart RESTful API server.
+#' Agency's Air Quality System Data Mart RESTful API server
 #'
 #' @description RAQSAPI is a package for R that connects the R programming
 #' environment to the United State's Environmental protection agency's
diff --git a/README.Rmd b/README.Rmd
index 68ecf85..aa1653c 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -36,7 +36,7 @@ knitr::opts_chunk$set(
   [![metacran downloads](https://cranlogs.r-pkg.org/badges/RAQSAPI)](
                          https://cran.r-project.org/package=RAQSAPI)
   [![lifecycle](https://img.shields.io/badge/lifecycle-maturing-blue.svg)](
-  https://www.tidyverse.org/lifecycle/#maturing)
+  https://lifecycle.r-lib.org/articles/stages.html)
   [![license](https://img.shields.io/badge/license-CC0-lightgrey.svg)](
   https://choosealicense.com/)
   "[![Last-changedate](https://img.shields.io/badge/last%20change-
diff --git a/README.md b/README.md
index bea07e4..55a30cd 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,9 @@ developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.re
 status](https://www.r-pkg.org/badges/version/RAQSAPI)](https://CRAN.R-project.org/package=RAQSAPI)
 [![metacran
 downloads](https://cranlogs.r-pkg.org/badges/RAQSAPI)](https://cran.r-project.org/package=RAQSAPI)
-[![lifecycle](https://img.shields.io/badge/lifecycle-maturing-blue.svg)](https://www.tidyverse.org/lifecycle/#maturing)
+[![lifecycle](https://img.shields.io/badge/lifecycle-maturing-blue.svg)](https://lifecycle.r-lib.org/articles/stages.html)
 [![license](https://img.shields.io/badge/license-CC0-lightgrey.svg)](https://choosealicense.com/)
-“[![Last-changedate](https://img.shields.io/badge/last%20change-%202024--05--23-yellowgreen.svg)](/commits/master)”
+“[![Last-changedate](https://img.shields.io/badge/last%20change-%202024--06--10-yellowgreen.svg)](/commits/master)”
 <!-- badges: end -->
 
 # EPA Disclaimer
@@ -416,6 +416,8 @@ those sources with them RAQSAPI would not be possible.
 - .gitignore file borrowed examples from
   <https://github.com/github/gitignore/blob/master/R.gitignore>
 - . CITATION.cff file was generated by the R package `cffr`<sup>10</sup>
+- R package `urlchecker`<sup>11</sup> was used to check urls in RAQSAPI
+  documentation
 
 # References
 
@@ -512,6 +514,14 @@ Pérez-Suárez, D.; Konovalov, A. Citation File Format, 2021.
 
 </div>
 
+<div id="ref-package:urlchecker" class="csl-entry">
+
+<span class="csl-left-margin">(11)
+</span><span class="csl-right-inline">R-Lib/Urlchecker on Github.
+<https://github.com/r-lib/urlchecker> (accessed 2023-11-30).</span>
+
+</div>
+
 </div>
 
 [^1]: RAQSAPI’s rate limit does not guarantee that the user will not go
diff --git a/man/RAQSAPI.Rd b/man/RAQSAPI.Rd
index 184caa2..c3470e4 100644
--- a/man/RAQSAPI.Rd
+++ b/man/RAQSAPI.Rd
@@ -5,7 +5,7 @@
 \alias{RAQSAPI-package}
 \alias{RAQSAPI}
 \title{RAQSAPI: A R Interface to The United States Environmental Protection
-Agency's Air Quality System Data Mart RESTful API server.}
+Agency's Air Quality System Data Mart RESTful API server}
 \description{
 RAQSAPI is a package for R that connects the R programming
 environment to the United State's Environmental protection agency's
@@ -37,8 +37,8 @@ activity by the USEPA or the United States Government.
 \seealso{
 Useful links:
 \itemize{
-  \item \url{<https://github.com/USEPA/RAQSAPI>}
-  \item \url{<https://aqs.epa.gov/aqsweb/documents/data_api.html>}
+  \item \url{https://github.com/USEPA/RAQSAPI/}
+  \item \url{https://aqs.epa.gov/aqsweb/documents/data_api.html}
   \item Report bugs at \url{https://github.com/USEPA/RAQSAPI/issues}
 }
 
diff --git a/vignettes/AQSAPI.bib b/vignettes/AQSAPI.bib
index ea66f79..d6ced58 100644
--- a/vignettes/AQSAPI.bib
+++ b/vignettes/AQSAPI.bib
@@ -147,7 +147,13 @@ @Misc{package:cffr
   doi = {10.5281/zenodo.5171937},
   url = {https://github.com/citation-file-format/citation-file-format},
   urldate = {2021-11-07},
-  copyright = {CC-BY-4.0},
   date = {2021-08},
   abstract = {The Citation File Format lets you provide citation metadata for software or datasets in plaintext files that are easy to read by both humans and machines.},
 }
+
+@Misc{package:urlchecker,
+  title = {r-lib/urlchecker on github},
+  authors = {R Core team, Jim Hester, Gábor Csárdi, Posit Software, PBC},
+  urldate = {2023-11-30},
+  url = {https://github.com/r-lib/urlchecker},
+  }
diff --git a/vignettes/Acknowledgements.Rmd b/vignettes/Acknowledgements.Rmd
index c7c4e5b..e920444 100644
--- a/vignettes/Acknowledgements.Rmd
+++ b/vignettes/Acknowledgements.Rmd
@@ -31,3 +31,5 @@ with them RAQSAPI would not be possible.
 * .gitignore file borrowed examples from
      https://github.com/github/gitignore/blob/master/R.gitignore
 * . CITATION.cff file was generated by the R package `cffr` [@package:cffr]
+* R package `urlchecker` [@package:urlchecker] was used to check urls in RAQSAPI
+    documentation