Update README.md

README.md

@@ -13,7 +13,10 @@ Please consider reporting bugs and asking questions on the Issues page:
 We want to encourage a warm, welcoming, and safe environment for contributing to this project. See the [code of conduct](https://code.usgs.gov/water/analysis-tools/smwrBase/-/blob/main/CONDUCT.md) for more information.
 
 ## Package Installation
-To install the `smwrBase` package, first install the "remotes" package. Then, using the remotes package, install "smwrData", then "smwrBase":
+
+Those within the USGS network can ask to have the prod-legacy R Package Manager added to their R enviornment. Installation and updates are done using the standard `install.packages` command.
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+External to the USGS network, first install the "remotes" package. Then, using the remotes package, install "smwrData", then "smwrBase":
 
 
 ```r
@@ -23,6 +26,7 @@ remotes::install_gitlab("water/analysis-tools/smwrBase",
                         host = "code.usgs.gov")
 ```
 
+
 ## Disclaimer
 
 This software is in the public domain because it contains materials that originally came from the U.S. Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy at [https://www.usgs.gov/visual-id/credit_usgs.html#copyright](https://www.usgs.gov/visual-id/credit_usgs.html#copyright)