diff --git a/pkgs/common-updater/unstable-updater.nix b/pkgs/common-updater/unstable-updater.nix
index 2be065f410e7..f8944222a8d5 100644
--- a/pkgs/common-updater/unstable-updater.nix
+++ b/pkgs/common-updater/unstable-updater.nix
@@ -8,7 +8,7 @@
 
 # This is an updater for unstable packages that should always use the latest
 # commit.
-{ url ? null # The git url, if empty it will be set to src.url
+{ url ? null # The git url, if empty it will be set to src.gitRepoUrl
 , branch ? null
 , stableVersion ? false # Use version format according to RFC 107 (i.e. LAST_TAG+date=YYYY-MM-DD)
 , tagPrefix ? "" # strip this prefix from a tag name when using stable version
@@ -46,7 +46,7 @@ let
         esac
     done
 
-    # By default we set url to src.url
+    # By default we set url to src.gitRepoUrl
     if [[ -z "$url" ]]; then
         url="$(${nix}/bin/nix-instantiate $systemArg --eval -E \
                    "with import ./. {}; $UPDATE_NIX_ATTR_PATH.src.gitRepoUrl" \