diff --git a/nim.html.markdown b/nim.html.markdown
index b10bd75a..81662630 100644
--- a/nim.html.markdown
+++ b/nim.html.markdown
@@ -3,7 +3,7 @@ language: Nim
 filename: learnNim.nim
 contributors:
     - ["Jason J. Ayala P.", "http://JasonAyala.com"]
-    - ["Dennis Felsing", "http://felsin9.de/nnis/"]
+    - ["Dennis Felsing", "https://dennis.felsing.org"]
 ---
 
 Nim (formerly Nimrod) is a statically typed, imperative programming language
diff --git a/ru-ru/nim-ru.html.markdown b/ru-ru/nim-ru.html.markdown
index 0e08f1bf..09784792 100644
--- a/ru-ru/nim-ru.html.markdown
+++ b/ru-ru/nim-ru.html.markdown
@@ -3,7 +3,7 @@ language: Nim
 filename: learnNim-ru.nim
 contributors:
     - ["Jason J. Ayala P.", "http://JasonAyala.com"]
-    - ["Dennis Felsing", "http://felsin9.de/nnis/"]
+    - ["Dennis Felsing", "https://dennis.felsing.org"]
 translators:
     - ["Nomadic", "https://github.com/n0madic"]
     - ["dvska", "https://github.com/dvska"]
diff --git a/zh-cn/nim-cn.html.markdown b/zh-cn/nim-cn.html.markdown
index dc662b1e..fa7d8259 100644
--- a/zh-cn/nim-cn.html.markdown
+++ b/zh-cn/nim-cn.html.markdown
@@ -3,7 +3,7 @@ language: Nim
 filename: learnNim-cn.nim
 contributors:
     - ["Jason J. Ayala P.", "http://JasonAyala.com"]
-    - ["Dennis Felsing", "http://felsin9.de/nnis/"]
+    - ["Dennis Felsing", "https://dennis.felsing.org"]
 translators:
     - ["lzw-723", "https://github.com/lzw-723"]
 lang: zh-cn