diff --git a/MD5 b/MD5
index 4552ded..85ef9b4 100644
--- a/MD5
+++ b/MD5
@@ -127,7 +127,7 @@ c325fd8eb2346bd402e665de97f35c5c *R/RAQSAPIlistfunctions.R
 4c1d32f0972205697bec23f1873ceed0 *R/setupfunctions.R
 735b109c7a7497e7e4000c520b5ba37f *R/zzz.R
 a69de5455537022556f014579766be59 *RAQSAPI.Rproj
-06217bf35112a959bb34b6a65de52860 *README.md
+1ec40a7dcaa9e337b5b9ced86ed3743b *README.md
 201526debb59c4f79c28fd34fd8f30c1 *README.Rmd
 34952a5944548ea4fc132a9899f8e6ab *revdep/email.yml
 332173f20d20942c02019350ea4dcadc *tests/spelling.R
@@ -142,8 +142,8 @@ f512d04635ce70a76c82fe237c92c4c7 *tests/testthat/test-byCBSA.R
 83e5695ad314bbe2898448c2f7f0541c *tests/testthat/test-bystate.R
 ced8e7ef1890a4f75a3e290487482ffa *tests/testthat/test-helperfunctions.R
 a675cf8edbbbc56dfa8c4934abbae204 *tests/testthat/test-RAQSAPIlistfunctions.R
-8e814c1a4b8e8547c5dd0da4f1608422 *vignettes/Acknowledgements.html
-34518335694d92be6153b2f242e09fa4 *vignettes/Acknowledgements.Rmd
+f3c327342f8399e441a50cb3786cceb8 *vignettes/Acknowledgements.html
+858c234882703faf5d58b196d3b91b61 *vignettes/Acknowledgements.Rmd
 22d607e5d49e10047a911e5d42183c34 *vignettes/acs-nano.csl
 0ec78b946a45069323acf54a24c77566 *vignettes/american-chemical-society.csl
 c70d85ee02aa851bc77cd2a52c59b593 *vignettes/AQSAPI.bib
diff --git a/README.md b/README.md
index 4bf585f..d78def1 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ status](https://www.r-pkg.org/badges/version/RAQSAPI)](https://CRAN.R-project.or
 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)
 [![license](https://img.shields.io/badge/license-CC0-lightgrey.svg)](https://choosealicense.com/)
-[![Last-changedate](https://img.shields.io/badge/last%20change-%202021--11--27-blue.svg)](/commits/master)
+[![Last-changedate](https://img.shields.io/badge/last%20change-%202021--11--29-blue.svg)](/commits/master)
 <!-- badges: end -->
 
 # EPA Disclaimer
@@ -342,6 +342,9 @@ either “\_by_site”, “\_by_county”, “\_by_state”, “\_by_box”,
 
 # Acknowledgements
 
+RAQSAPI was included in the Rblogger’s March 2021: “Top 40” [New CRAN
+Packages](https://www.r-bloggers.com/2021/04/march-2021-top-40-new-cran-packages/).
+
 The RAQSAPI package borrows upon functions and code provided by sources
 not mentioned in the DESCRIPTION file. Here we attempt to acknowledge
 those sources with them RAQSAPI would not be possible.
diff --git a/vignettes/Acknowledgements.Rmd b/vignettes/Acknowledgements.Rmd
index d7db65f..41148ca 100644
--- a/vignettes/Acknowledgements.Rmd
+++ b/vignettes/Acknowledgements.Rmd
@@ -13,6 +13,7 @@ vignette: >
 ---
 
 # Acknowledgements
+RAQSAPI was included in the Rblogger's  March 2021: “Top 40” [New CRAN Packages](https://www.r-bloggers.com/2021/04/march-2021-top-40-new-cran-packages/).
 
   The RAQSAPI package borrows upon functions and code provided by sources not
 mentioned in the DESCRIPTION file. Here we attempt to acknowledge those sources