diff --git a/tools/dep_updaters/update-nixpkgs-pin.sh b/tools/dep_updaters/update-nixpkgs-pin.sh
index ba1f0e6efcc0..65c6ff2465f1 100755
--- a/tools/dep_updaters/update-nixpkgs-pin.sh
+++ b/tools/dep_updaters/update-nixpkgs-pin.sh
@@ -86,7 +86,7 @@ nix-instantiate -I "nixpkgs=$NIXPKGS_PIN_FILE" --eval --strict --json -E "
 }:
 
 {
-  # "default" OpenSSL release line, should be kept in sync with the bundled version:
+  # \"default\" OpenSSL release line, should be kept in sync with the bundled version:
   openssl = pkgs.\(.default);
 
   # Other OpenSSL variants we want to test for: