diff --git a/README.Rmd b/README.Rmd
index a185527..225998d 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -57,19 +57,21 @@ URL = {https://doi.org/10.1080/15481603.2020.1760434}
 - Install from [CRAN](https://CRAN.R-project.org/package=GD) with:
 
 ``` r
-install.packages("GD")
+install.packages("GD", dep = TRUE)
 ```
 
 - Install development binary version from [R-universe](https://ausgis.r-universe.dev/GD) with:
 
 ``` r
-install.packages("GD",repos = c("https://ausgis.r-universe.dev",
-                                "https://cloud.r-project.org"))
+install.packages("GD",
+                 repos = c("https://ausgis.r-universe.dev",
+                           "https://cloud.r-project.org"), 
+                 dep = TRUE)
 ```
 
 - Install development source version from [GitHub](https://github.com/ausgis/GD) with:
 
 ``` r
 # install.packages("devtools")
-devtools::install_github("ausgis/GD",build_vignettes = TRUE)
+devtools::install_github("ausgis/GD",build_vignettes = TRUE,dep = TRUE)
 ```
diff --git a/README.md b/README.md
index dc50ba1..b3baaf3 100644
--- a/README.md
+++ b/README.md
@@ -46,15 +46,17 @@ URL = {https://doi.org/10.1080/15481603.2020.1760434}
 - Install from [CRAN](https://CRAN.R-project.org/package=GD) with:
 
 ``` r
-install.packages("GD")
+install.packages("GD", dep = TRUE)
 ```
 
 - Install development binary version from
   [R-universe](https://ausgis.r-universe.dev/GD) with:
 
 ``` r
-install.packages("GD",repos = c("https://ausgis.r-universe.dev",
-                                "https://cloud.r-project.org"))
+install.packages("GD",
+                 repos = c("https://ausgis.r-universe.dev",
+                           "https://cloud.r-project.org"), 
+                 dep = TRUE)
 ```
 
 - Install development source version from
@@ -62,5 +64,5 @@ install.packages("GD",repos = c("https://ausgis.r-universe.dev",
 
 ``` r
 # install.packages("devtools")
-devtools::install_github("ausgis/GD",build_vignettes = TRUE)
+devtools::install_github("ausgis/GD",build_vignettes = TRUE,dep = TRUE)
 ```
diff --git a/cran-comments.md b/cran-comments.md
index 20257fd..7af14e4 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,3 +1,5 @@
 ## R CMD check results
 
-0 errors | 0 warnings | 0 note
+0 errors | 0 warnings | 1 note
+
+* The maintainer's last name spelling is corrected from "Lv" to "Lyu" to match official identification documents. This is the same maintainer; only the romanization has been updated.
diff --git a/vignettes/GD.Rmd b/vignettes/GD.Rmd
index 401774f..c62a751 100644
--- a/vignettes/GD.Rmd
+++ b/vignettes/GD.Rmd
@@ -91,8 +91,8 @@ The pacakge provides a one-step function for performing optimal discretization a
 
 ```{r, eval = FALSE}
 ## install and library the pacakge
-install.packages("GD")
-library("GD")
+install.packages("GD", dep = TRUE)
+library(GD)
 
 ## Example 1
 ## NDVI: ndvi_40