diff --git a/R/readNWISpCode.r b/R/readNWISpCode.r
index 9be32b5c5e29b331c3a6c5bffc66d19caa46f06c..fcf012601bde710666f023e94d36a0f5cf4806fc 100644
--- a/R/readNWISpCode.r
+++ b/R/readNWISpCode.r
@@ -3,8 +3,8 @@
 #' Imports data from NWIS about meaured parameter based on user-supplied parameter code or codes.
 #' This function gets the data from here: \url{http://nwis.waterdata.usgs.gov/nwis/pmcodes}
 #'
-#' @param parameterCd character of USGS parameter codes (or multiple parameter codes).  These are 5 digit number codes
-#' that can be found here: \url{http://help.waterdata.usgs.gov/codes-and-parameters/parameters}. To get a 
+#' @param parameterCd character of USGS parameter codes (or multiple parameter codes).  These are 5 digit number codes,
+#' more information can be found here: \url{http://help.waterdata.usgs.gov/}. To get a 
 #' complete list of all current parameter codes in the USGS, use "all" as the input.
 #' @keywords data import USGS web service
 #' @return parameterData data frame with the following information: 
diff --git a/R/renameColumns.R b/R/renameColumns.R
index e98ec7e39a94c1c26cba2fc1928f196c3488a8f2..7163c1c5c1976b1e45d3fc385e84d4ff4bb11da4 100644
--- a/R/renameColumns.R
+++ b/R/renameColumns.R
@@ -20,7 +20,7 @@
 #'form of the name must be like pXXXXX, where XXXXX is the parameter code.
 #' @return A dataset like \code{data} with selected columns renamed.
 #' @note The following statistics codes are converted by \code{renameNWISColumns}. See
-#'\url{http://help.waterdata.usgs.gov/stat_cd_nm} for information about USGS statistics codes.
+#'\url{http://help.waterdata.usgs.gov} for more information about USGS codes.
 #'\describe{
 #'\item{00001}{Maximum value, suffix: Max}
 #'\item{00002}{Minimum value, suffix: Min}
diff --git a/man/readNWISdv.Rd b/man/readNWISdv.Rd
index b6df68c40a14eeb947b6779d13a0c480620c1287..1e4e3716e9a041abac690472cb1becd6e549cd83 100644
--- a/man/readNWISdv.Rd
+++ b/man/readNWISdv.Rd
@@ -48,8 +48,7 @@ queryTime \tab POSIXct \tab The time the data was returned \cr
 }
 \description{
 Imports data from NWIS web service. This function gets the data from here: \url{http://waterservices.usgs.gov/}
-A list of parameter codes can be found here: \url{http://help.waterdata.usgs.gov/codes-and-parameters/parameters}
-A list of statistic codes can be found here: \url{http://help.waterdata.usgs.gov/code/stat_code_query?fmt=html}
+Information on parameter and statistics codes can be found here: \url{http://help.waterdata.usgs.gov}
 }
 \examples{
 siteNumber <- '04085427'
diff --git a/man/readNWISpCode.Rd b/man/readNWISpCode.Rd
index 30570954baf32d83ffb60b9703a7428942ccd2d1..47fca5f54bc6c20ded296366285d18efb37a9025 100644
--- a/man/readNWISpCode.Rd
+++ b/man/readNWISpCode.Rd
@@ -7,8 +7,8 @@
 readNWISpCode(parameterCd)
 }
 \arguments{
-\item{parameterCd}{character of USGS parameter codes (or multiple parameter codes).  These are 5 digit number codes
-that can be found here: \url{http://help.waterdata.usgs.gov/codes-and-parameters/parameters}. To get a
+\item{parameterCd}{character of USGS parameter codes (or multiple parameter codes).  These are 5 digit number codes,
+more information can be found here: \url{http://help.waterdata.usgs.gov/}. To get a
 complete list of all current parameter codes in the USGS, use "all" as the input.}
 }
 \value{
diff --git a/man/renameNWISColumns.Rd b/man/renameNWISColumns.Rd
index 28cdad5914270c4f53ccb6e1bef767eebae25aaf..aeec583a1f7121459d55937d8b75cb63dc88f1ca 100644
--- a/man/renameNWISColumns.Rd
+++ b/man/renameNWISColumns.Rd
@@ -45,7 +45,7 @@ to rename those columns.
 }
 \note{
 The following statistics codes are converted by \code{renameNWISColumns}. See
-\url{http://help.waterdata.usgs.gov/stat_cd_nm} for information about USGS statistics codes.
+\url{http://help.waterdata.usgs.gov} for more information about USGS codes.
 \describe{
 \item{00001}{Maximum value, suffix: Max}
 \item{00002}{Minimum value, suffix: Min}