diff --git a/hugo/content/howto/troubleshooting/index.md b/hugo/content/howto/troubleshooting/index.md
index 1d740644c18d95c6632b6ebe49dd4a313cd2ad13..e4be7b791b059bd5d9e63df519992e9fe8819c04 100644
--- a/hugo/content/howto/troubleshooting/index.md
+++ b/hugo/content/howto/troubleshooting/index.md
@@ -120,7 +120,7 @@ CMake Error at GUI/CMakeLists.txt:18 (find_package):
 
 The error message can also complain about "Qt5Widgets" instead of "Qt5Designer".
 
-First, make sure that all Qt5 libraries are installed as required in the [build instructions]({{% relref "installation/building/Unix" %}}).
+First, make sure that all Qt5 libraries are installed as required in the [build instructions]({{% relref "installation/building/unix" %}}).
 
 If this is the case, a first possible cause for this to happen, is that `cmake` cannot find the cmake config files for the required Qt5 modules, because it doesn't know the location. This can be fixed by adding the path to the Qt5 binaries to the `PATH` environment variable:
 
diff --git a/hugo/content/installation/building/Unix/_index.md b/hugo/content/installation/building/unix/_index.md
similarity index 100%
rename from hugo/content/installation/building/Unix/_index.md
rename to hugo/content/installation/building/unix/_index.md
diff --git a/hugo/content/installation/building/Unix/build-and-install.md b/hugo/content/installation/building/unix/build-and-install.md
similarity index 100%
rename from hugo/content/installation/building/Unix/build-and-install.md
rename to hugo/content/installation/building/unix/build-and-install.md
diff --git a/hugo/content/installation/building/Unix/first-simulation.md b/hugo/content/installation/building/unix/first-simulation.md
similarity index 100%
rename from hugo/content/installation/building/Unix/first-simulation.md
rename to hugo/content/installation/building/unix/first-simulation.md
diff --git a/hugo/content/installation/building/Unix/get-source.md b/hugo/content/installation/building/unix/get-source.md
similarity index 100%
rename from hugo/content/installation/building/Unix/get-source.md
rename to hugo/content/installation/building/unix/get-source.md
diff --git a/hugo/content/installation/building/Unix/third-party.md b/hugo/content/installation/building/unix/third-party.md
similarity index 100%
rename from hugo/content/installation/building/Unix/third-party.md
rename to hugo/content/installation/building/unix/third-party.md
diff --git a/hugo/content/installation/building/Windows/index.md b/hugo/content/installation/building/windows/index.md
similarity index 97%
rename from hugo/content/installation/building/Windows/index.md
rename to hugo/content/installation/building/windows/index.md
index ce50b517f3931e70aa0370ce05c3c10f049af9a4..3266e6ee46b912740036e8ab382daae0937f7898 100644
--- a/hugo/content/installation/building/Windows/index.md
+++ b/hugo/content/installation/building/windows/index.md
@@ -55,13 +55,13 @@ Install SWIG from the official website
 [swig.org/download.html](http://www.swig.org/download.html)
 
 Information can be found on
-[http://www.swig.org/Doc1.3/Windows.html#Windows_installation]
+[http://www.swig.org/Doc1.3/windows.html#Windows_installation]
 
 Unpack the ZIP file and add its folder to PATH (so f.e. `C:\swigwin-4.0.2`)
 
 #### Libraries
 
-Go to https://computing.mlz-garching.de/download/WinLibs
+Go to https://computing.mlz-garching.de/download/winLibs
 
 From there download:
 
diff --git a/hugo/content/installation/install/linux/index.md b/hugo/content/installation/install/linux/index.md
index e17ca617e9aba274f2101dff8e5780670e47af6b..6a72ae18b387652270a6ed125dc872400f2e4f70 100644
--- a/hugo/content/installation/install/linux/index.md
+++ b/hugo/content/installation/install/linux/index.md
@@ -7,6 +7,6 @@ weight = 30
 
 BornAgain is available as a Debian/Ubuntu package on [packages.debian.org/stable/science/bornagain](https://packages.debian.org/stable/science/bornagain).
 
-For other distributions, see [build instructions]({{% relref "installation/building/Unix/" %}}).
+For other distributions, see [build instructions]({{% relref "installation/building/unix/" %}}).
 
 {{% children  %}}
diff --git a/hugo/content/installation/install/macos/_index.md b/hugo/content/installation/install/macos/_index.md
index 13dd5d1db8f3de08ac8c7f988f877554eb52967f..bda6e3893d2bcbaa5dbdcf11991c472741995dbe 100644
--- a/hugo/content/installation/install/macos/_index.md
+++ b/hugo/content/installation/install/macos/_index.md
@@ -8,7 +8,7 @@ weight = 20
 For Mac OS X, we provide a 64-bit binary .dmg installer,
 and also support build and installation from source.
 To build BornAgain from source by yourself follow the
-[build instructions for Unix]({{% relref "installation/building/Unix" %}}) section.
+[build instructions for Unix]({{% relref "installation/building/unix" %}}) section.
 
 The rest of this section explains how to install BornAgain using the `.dmg` installer.