diff --git a/R/read_ngwmn_sites.R b/R/read_ngwmn_sites.R
index 961900a4..6441c2c6 100644
--- a/R/read_ngwmn_sites.R
+++ b/R/read_ngwmn_sites.R
@@ -11,8 +11,8 @@
 #' `r get_ogc_params("sites", base = "NGWMN")$monitoring_location_number$description`
 #' @param altitude
 #' `r get_ogc_params("sites", base = "NGWMN")$altitude$description`
-#' @param national_aquifer_code
-#' `r get_ogc_params("sites", base = "NGWMN")$national_aquifer_code$description`
+#' @param national_aquifer_code Code for U.S. Principal Aquifer. A list of values
+#' can be passed for this field, separated by commas.
 #' @param national_aquifer_description
 #' `r get_ogc_params("sites", base = "NGWMN")$national_aquifer_description$description`
 #' @param country_code
diff --git a/man/read_ngwmn_sites.Rd b/man/read_ngwmn_sites.Rd
index 35868f69..0fa7c0e1 100644
--- a/man/read_ngwmn_sites.Rd
+++ b/man/read_ngwmn_sites.Rd
@@ -50,7 +50,8 @@ read_ngwmn_sites(
 
 \item{altitude}{Elevation of the land surface at the site.}
 
-\item{national_aquifer_code}{Code for U.S. Pricinpal Aquifer, lookup \href{https://www.usgs.gov/mission-areas/water-resources/science/national-aquifer-code-reference-list}{here}. A list of values can be passed for this field, seperated by commas.}
+\item{national_aquifer_code}{Code for U.S. Principal Aquifer. A list of values
+can be passed for this field, separated by commas.}
 
 \item{national_aquifer_description}{Name for U.S. Principal Aquifer, lookup \href{https://www.usgs.gov/mission-areas/water-resources/science/national-aquifer-code-reference-list}{here}. A list of values can be passed for this field, seperated by commas.}