diff --git a/pages.de/common/firefox.md b/pages.de/common/firefox.md
index a9f95a26e2..0783077ebb 100644
--- a/pages.de/common/firefox.md
+++ b/pages.de/common/firefox.md
@@ -1,7 +1,7 @@
 # firefox
 
 > Ein gratis Open Source Internet Browser.
-> Weitere Informationen: <https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options>.
+> Weitere Informationen: <https://wiki.mozilla.org/Firefox/CommandLineOptions>.
 
 - Starte Firefox und öffne eine Website:
 
diff --git a/pages.ko/common/firefox.md b/pages.ko/common/firefox.md
index bdb50c1543..2bcf23de99 100644
--- a/pages.ko/common/firefox.md
+++ b/pages.ko/common/firefox.md
@@ -1,7 +1,7 @@
 # firefox
 
 > 무료 오픈 소스 웹 브라우저.
-> 더 많은 정보: <https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options>.
+> 더 많은 정보: <https://wiki.mozilla.org/Firefox/CommandLineOptions>.
 
 - Firefox를 실행하고 웹 페이지 열기:
 
diff --git a/pages.pt_BR/common/firefox.md b/pages.pt_BR/common/firefox.md
index 23280989a1..049117799c 100644
--- a/pages.pt_BR/common/firefox.md
+++ b/pages.pt_BR/common/firefox.md
@@ -1,7 +1,7 @@
 # firefox
 
 > Um browser livre e de código aberto.
-> Mais informações: <https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options>.
+> Mais informações: <https://wiki.mozilla.org/Firefox/CommandLineOptions>.
 
 - Inicie o Firefox e abra uma página web:
 
diff --git a/pages.zh/common/firefox.md b/pages.zh/common/firefox.md
index bd3d0f9bb3..1434d216a0 100644
--- a/pages.zh/common/firefox.md
+++ b/pages.zh/common/firefox.md
@@ -1,7 +1,7 @@
 # firefox
 
 > 一个自由、开源的网络浏览器。
-> 更多信息：<https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options>.
+> 更多信息：<https://wiki.mozilla.org/Firefox/CommandLineOptions>.
 
 - 启动 Firefox 并打开网页：
 
diff --git a/pages/common/firefox.md b/pages/common/firefox.md
index 37eeb8124f..9eaa2dae32 100644
--- a/pages/common/firefox.md
+++ b/pages/common/firefox.md
@@ -1,7 +1,7 @@
 # firefox
 
 > A free and open source web browser.
-> More information: <https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options>.
+> More information: <https://wiki.mozilla.org/Firefox/CommandLineOptions>.
 
 - Launch Firefox and open a web page: