nix shell: fix More Info link (#16706)

pages.es/common/nix-shell.3.md

@@ -2,7 +2,7 @@
 
 > Inicia un shell en lo cual los paquetes especificados están disponibles.
 > Vea también: `nix-shell` para armar un entorno de desarrollo, `nix flake` para información sobre los flakes.
-> Más información: <https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-shell.html>.
+> Más información: <https://manned.org/nix3-shell>.
 
 - Inicia un shell interactivo con unos paquetes de `nixpkgs`:
 

pages.ko/common/nix-shell.3.md

@@ -2,7 +2,7 @@
 
 > 지정된 패키지가 사용 가능한 셸 시작.
 > 같이 보기: 개발 환경 설정을 위한 `nix-shell`, 플레이크에 대한 정보를 위한 `nix flake`.
-> 더 많은 정보: <https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-shell.html>.
+> 더 많은 정보: <https://manned.org/nix3-shell>.
 
 - `nixpkgs`의 일부 패키지와 함께 대화형 셸 시작:
 

pages/common/nix-shell.3.md

@@ -2,7 +2,7 @@
 
 > Start a shell in which the specified packages are available.
 > See also: `nix-shell` for setting up development environments, `nix flake` for information about flakes.
-> More information: <https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-shell.html>.
+> More information: <https://manned.org/nix3-shell>.
 
 - Start an interactive shell with some packages from `nixpkgs`: