diff --git a/README.md b/README.md
index 8969b89..b709668 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# GitHub to Gitea/Forgejo Migration Script
+# GitHub to Forgejo Migration Script
 
 Plain simple, just install [Nushell](https://nushell.sh) and run the script:
 
@@ -15,7 +15,7 @@ for a uninteractive run, or run the script like so:
 
 And get a nice interactive experience.
 
-This works on any Gitea or Forgejo instance.
+This works on any Forgejo instance.
 
 ## FAQ
 
@@ -31,7 +31,7 @@ This works on any Gitea or Forgejo instance.
 
 ### Can I migrate specific repositories?
 
-Nope. Just use the Gitea/Forgejo web UI for that.
+Nope. Just use the Forgejo web UI for that.
 
 ## License
 
diff --git a/migrate.nu b/migrate.nu
index c2385c9..0d49e7a 100755
--- a/migrate.nu
+++ b/migrate.nu
@@ -1,33 +1,43 @@
 #!/usr/bin/env nu
 
 def or-default [default: closure] {
-  if ($in | is-empty) {
+  if ($in == null) {
     do $default
   } else {
     $in
   }
 }
 
-# Migrates a GitHub users repositories to a Gitea or Forgejo instance.
+# Migrates a GitHub users repositories to a Forgejo instance.
 #
-# Here is the accepted environment variables, if one isn't set, it will
-# be prompted for:
+# Accepted environment variables:
 #
-# GITHUB_USER: The user to migrate from.
-# GITHUB_TOKEN: An access token for fetching private repositories. Optional.
-# GITEA_URL: The URL to the Gitea or Forgejo instance
-# GITEA_USER: The user to migrate the repositories to.
-# GITEA_TOKEN: An access token for the user to actually insert repositories to.
-# STRATEGY: The strategy. Valid options are "mirrored" or "cloned" (case insensitive).
-# FORCE_SYNC: Whether to delete a mirrored repo from Gitea or Forgejo if the source on GitHub doesn't exist anymore. Must be either "true" or "false".
+#   GITHUB_USER: The user to fetch the repositories from.
+#   GITHUB_TOKEN: An access token for fetching private repositories. Optional.
+#
+#   FORGEJO_URL: The URL to the Forgejo instance. Must include the protocol (https://).
+#   FORGEJO_USER: The user to migrate the repositories to.
+#   FORGEJO_TOKEN: An access token for the specified user.
+#
+#   STRATEGY:
+#     The strategy. Valid options are "mirrored" or "cloned" (case insensitive).
+#     "mirrored" will mirror the repository and tell the Forgejo instance to
+#     periodically update it, "cloned" will only clone once. "cloned" is
+#     useful if you are never going to use GitHub again.
+#
+#   FORCE_SYNC:
+#     Whether to delete a mirrored repo from the Forgejo instance if the
+#     source on GitHub doesn't exist anymore. Must be either "true" or "false".
+#
+# To leave an environment variable unspecified, set it to an empty string.
 def main [] {
-  let github_user  = $env | get -i GITHUB_USER  | or-default { input $"(ansi red)GitHub username: (ansi reset)" }
-  let github_token = $env | get -i GITHUB_TOKEN | or-default { input $"(ansi red)GitHub access token (ansi yellow)\((ansi blue)optional, only used for private repositories(ansi yellow))(ansi red): (ansi reset)" }
-  let gitea_url    = $env | get -i GITEA_URL    | or-default { input $"(ansi green)Gitea instance URL \(with https://): (ansi reset)" } | str trim --right --char "/"
-  let gitea_user   = $env | get -i GITEA_USER   | or-default { input $"(ansi green)Gitea username or organization to migrate to: (ansi reset)" }
-  let gitea_token  = $env | get -i GITEA_TOKEN  | or-default { input $"(ansi green)Gitea access token: (ansi reset)" }
-  let strategy     = $env | get -i STRATEGY     | or-default { [ Mirrored Cloned ] | input list $"(ansi cyan)Should the repos be mirrored, or just cloned once?(ansi reset)" } | str downcase
-  let force_sync   = $env | get -i FORCE_SYNC   | or-default { [ "Yup, delete them" Nope ] | input list $"(ansi yellow)Should mirrored repos that don't have a GitHub source anymore be deleted?(ansi reset)" } | $in != "Nope"
+  let github_user    = $env | get -i GITHUB_USER   | or-default { input $"(ansi red)GitHub username: (ansi reset)" }
+  let github_token   = $env | get -i GITHUB_TOKEN  | or-default { input $"(ansi red)GitHub access token (ansi yellow)\((ansi blue)optional, only used for private repositories(ansi yellow))(ansi red): (ansi reset)" }
+  let forgejo_url    = $env | get -i FORGEJO_URL   | or-default { input $"(ansi green)Forgejo instance URL \(with https://): (ansi reset)" } | str trim --right --char "/"
+  let forgejo_user   = $env | get -i FORGEJO_USER  | or-default { input $"(ansi green)Forgejo username or organization to migrate to: (ansi reset)" }
+  let forgejo_token  = $env | get -i FORGEJO_TOKEN | or-default { input $"(ansi green)Forgejo access token: (ansi reset)" }
+  let strategy       = $env | get -i STRATEGY      | or-default { [ Mirrored Cloned ] | input list $"(ansi cyan)Should the repos be mirrored, or just cloned once?(ansi reset)" } | str downcase
+  let force_sync     = $env | get -i FORCE_SYNC    | or-default { [ "Yup, delete them" Nope ] | input list $"(ansi yellow)Should mirrored repos that don't have a GitHub source anymore be deleted?(ansi reset)" } | $in != "Nope"
 
   let github_repos = do {
     def get-repos-at [page_nr: number] {
@@ -60,32 +70,32 @@ def main [] {
   if $force_sync {
     let github_repo_names = ($github_repos | get name)
 
-    let gitea_mirrored_repos = (
-      http get $"($gitea_url)/api/v1/user/repos"
-        -H [ Authorization $"token ($gitea_token)" ]
+    let forgejo_mirrored_repos = (
+      http get $"($forgejo_url)/api/v1/user/repos"
+        -H [ Authorization $"token ($forgejo_token)" ]
       | filter { get mirror }
       | filter { ($github_token != "") and not $in.private }
     )
 
-    let gitea_not_on_github = ($gitea_mirrored_repos | filter { not ($in.name in $github_repo_names) })
+    let forgejo_not_on_github = ($forgejo_mirrored_repos | filter { not ($in.name in $github_repo_names) })
 
-    $gitea_not_on_github | each {|gitea_repo|
-      print --no-newline $"(ansi red)Deleting ($gitea_url)/($gitea_repo.full_name) because the mirror source doesn't exist on GitHub anymore...(ansi reset)"
+    $forgejo_not_on_github | each {|forgejo_repo|
+      print --no-newline $"(ansi red)Deleting ($forgejo_url)/($forgejo_repo.full_name) because the mirror source doesn't exist on GitHub anymore...(ansi reset)"
 
-      (http delete $"($gitea_url)/api/v1/repos/($gitea_repo.full_name)"
-        -H [ Authorization $"token ($gitea_token)" ])
+      (http delete $"($forgejo_url)/api/v1/repos/($forgejo_repo.full_name)"
+        -H [ Authorization $"token ($forgejo_token)" ])
 
       print $" (ansi green_bold)Success!(ansi reset)"
     }
   }
 
-  # Mirror repos that do exist on GitHub to Gitea.
+  # Mirror repos that do exist on GitHub to Forgejo.
   $github_repos | each {|github_repo|
     print --no-newline $"(ansi blue)(
       $strategy | str capitalize | str replace "ed" "ing"
     ) (
       [ $"(ansi green)public(ansi blue)(char space)" $"(ansi red)private(ansi blue)" ] | get ($github_repo.private | into int)
-    ) repository (ansi purple)($github_repo.html_url)(ansi blue) to (ansi white_bold)($gitea_url)/($gitea_user)/($github_repo.name)(ansi blue)...(ansi reset)"
+    ) repository (ansi purple)($github_repo.html_url)(ansi blue) to (ansi white_bold)($forgejo_url)/($forgejo_user)/($github_repo.name)(ansi blue)...(ansi reset)"
 
     let github_repo_url = if not $github_repo.private {
       $github_repo.html_url
@@ -94,16 +104,16 @@ def main [] {
     }
 
     let response = (
-      http post $"($gitea_url)/api/v1/repos/migrate"
+      http post $"($forgejo_url)/api/v1/repos/migrate"
       --allow-errors
       -t application/json
-      -H [ Authorization $"token ($gitea_token)" ]
+      -H [ Authorization $"token ($forgejo_token)" ]
       {
         clone_addr: $github_repo_url
         mirror: ($strategy != "cloned")
         private: $github_repo.private
 
-        repo_owner: $gitea_user
+        repo_owner: $forgejo_user
         repo_name: $github_repo.name
       }
     )