diff --git a/fish/completions/nvm.fish b/fish/completions/nvm.fish
index c0ab183..14be1b7 100644
--- a/fish/completions/nvm.fish
+++ b/fish/completions/nvm.fish
@@ -4,15 +4,15 @@ complete --command nvm --exclusive --long help --description "Print help"
 complete --command nvm --long silent --description "Suppress standard output"
 
 complete --command nvm --exclusive --condition __fish_use_subcommand --arguments install --description "Download and activate the specified Node version"
-complete --command nvm --exclusive --condition __fish_use_subcommand --arguments use --description "Activate a version in the current shell"
-complete --command nvm --exclusive --condition __fish_use_subcommand --arguments list --description "List installed versions"
-complete --command nvm --exclusive --condition __fish_use_subcommand --arguments list-remote --description "List versions available to install matching optional regex"
-complete --command nvm --exclusive --condition __fish_use_subcommand --arguments current --description "Print the currently-active version"
+complete --command nvm --exclusive --condition __fish_use_subcommand --arguments use --description "Activate the specified Node version in the current shell"
+complete --command nvm --exclusive --condition __fish_use_subcommand --arguments list --description "List installed Node versions"
+complete --command nvm --exclusive --condition __fish_use_subcommand --arguments list-remote --description "List available Node versions to install"
+complete --command nvm --exclusive --condition __fish_use_subcommand --arguments current --description "Print the currently-active Node version"
 complete --command nvm --exclusive --condition "__fish_seen_subcommand_from install" --arguments "(
     test -e $nvm_data && string split ' ' <$nvm_data/.index
 )"
 complete --command nvm --exclusive --condition "__fish_seen_subcommand_from use" --arguments "(_nvm_list | string split ' ')"
-complete --command nvm --exclusive --condition __fish_use_subcommand --arguments uninstall --description "Uninstall a version"
+complete --command nvm --exclusive --condition __fish_use_subcommand --arguments uninstall --description "Uninstall the specified Node version"
 complete --command nvm --exclusive --condition "__fish_seen_subcommand_from uninstall" --arguments "(
     _nvm_list | string split ' ' | string replace system ''
 )"
diff --git a/fish/conf.d/nvm.fish b/fish/conf.d/nvm.fish
index 8aab50a..e060f2f 100644
--- a/fish/conf.d/nvm.fish
+++ b/fish/conf.d/nvm.fish
@@ -1,17 +1,17 @@
-function _nvm_install --on-event nvm_install
-    set --query nvm_mirror || set --universal nvm_mirror https://nodejs.org/dist
-    set --query XDG_DATA_HOME || set --local XDG_DATA_HOME ~/.local/share
-    set --universal nvm_data $XDG_DATA_HOME/nvm
+set --query nvm_mirror || set --global nvm_mirror https://nodejs.org/dist
+set --query XDG_DATA_HOME || set --local XDG_DATA_HOME ~/.local/share
+set --global nvm_data $XDG_DATA_HOME/nvm
 
+function _nvm_install --on-event nvm_install
     test ! -d $nvm_data && command mkdir -p $nvm_data
     echo "Downloading the Node distribution index..." 2>/dev/null
     _nvm_index_update
 end
 
 function _nvm_update --on-event nvm_update
-    set --query nvm_mirror || set --universal nvm_mirror https://nodejs.org/dist
-    set --query XDG_DATA_HOME || set --local XDG_DATA_HOME ~/.local/share
-    set --universal nvm_data $XDG_DATA_HOME/nvm
+    set --query --universal nvm_data && set --erase --universal nvm_data
+    set --query --universal nvm_mirror && set --erase --universal nvm_mirror
+    set --query nvm_mirror || set --global nvm_mirror https://nodejs.org/dist
 end
 
 function _nvm_uninstall --on-event nvm_uninstall
diff --git a/fish/functions/nvm.fish b/fish/functions/nvm.fish
index 131a030..179dc45 100644
--- a/fish/functions/nvm.fish
+++ b/fish/functions/nvm.fish
@@ -29,26 +29,31 @@ function nvm --description "Node version manager"
 
     switch "$cmd"
         case -v --version
-            echo "nvm, version 2.2.11"
+            echo "nvm, version 2.2.13"
         case "" -h --help
             echo "Usage: nvm install <version>    Download and activate the specified Node version"
-            echo "       nvm install              Install version from nearest .nvmrc file"
-            echo "       nvm use <version>        Activate a version in the current shell"
-            echo "       nvm use                  Activate version from nearest .nvmrc file"
-            echo "       nvm list                 List installed versions"
-            echo "       nvm list-remote          List versions available to install"
-            echo "       nvm list-remote <regex>  List versions matching a given regular expression"
-            echo "       nvm current              Print the currently-active version"
-            echo "       nvm uninstall <version>  Uninstall a version"
+            echo "       nvm install              Install the version specified in the nearest .nvmrc file"
+            echo "       nvm use <version>        Activate the specified Node version in the current shell"
+            echo "       nvm use                  Activate the version specified in the nearest .nvmrc file"
+            echo "       nvm list                 List installed Node versions"
+            echo "       nvm list-remote          List available Node versions to install"
+            echo "       nvm list-remote <regex>  List Node versions matching a given regex pattern"
+            echo "       nvm current              Print the currently-active Node version"
+            echo "       nvm uninstall <version>  Uninstall the specified Node version"
             echo "Options:"
-            echo "       -s or --silent           Suppress standard output"
-            echo "       -v or --version          Print version"
-            echo "       -h or --help             Print this help message"
+            echo "       -s, --silent             Suppress standard output"
+            echo "       -v, --version            Print the version of nvm"
+            echo "       -h, --help               Print this help message"
             echo "Variables:"
             echo "       nvm_arch                 Override architecture, e.g. x64-musl"
-            echo "       nvm_mirror               Use a mirror of the Node binaries"
+            echo "       nvm_mirror               Use a mirror for downloading Node binaries"
             echo "       nvm_default_version      Set the default version for new shells"
-            echo "       nvm_default_packages     Install a list of packages every time you install a Node version"
+            echo "       nvm_default_packages     Install a list of packages every time a Node version is installed"
+            echo "Examples:"
+            echo "       nvm install latest       Install the latest version of Node"
+            echo "       nvm use 14.15.1          Use Node version 14.15.1"
+            echo "       nvm use system           Activate the system's Node version"
+
         case install
             _nvm_index_update
 
@@ -195,8 +200,7 @@ end
 function _nvm_version_match --argument-names ver
     string replace --regex -- '^v?(\d+|\d+\.\d+)$' 'v$1.' $ver |
         string replace --filter --regex -- '^v?(\d+)' 'v$1' |
-        string escape --style=regex ||
-        string lower '\b'$ver'(?:/\w+)?$'
+        string escape --style=regex || string lower '\b'$ver'(?:/\w+)?$'
 end
 
 function _nvm_list_format --argument-names current regex
@@ -225,6 +229,6 @@ function _nvm_node_info
     command node --eval "
         console.log(process.version)
         console.log('$npm_version_default' ? '$npm_version_default': require('$npm_path/package.json').version)
-        console.log(process.execPath.replace(require('os').homedir(), '~'))
-    "
+        console.log(process.execPath)
+    " | string replace -- ~ \~
 end