diff --git a/external/contribute/markdown/markdown.md b/external/contribute/markdown/markdown.md
index 22841a46544acc3625b8688da4a66695ca1de645..db129fbea74d5ea9901357ed244e7473fe681812 100644
--- a/external/contribute/markdown/markdown.md
+++ b/external/contribute/markdown/markdown.md
@@ -57,7 +57,7 @@ Markdown is a lightweight markup language with plain text formatting syntax whic
 |: ^^     + Indented item            | ^^      + Indented item
 |: ^^* Fourth item</pre>             | ^^ * Fourth item
 |:-----------------------------------|---------------------------|
-|: <pre>Include links referring to a web [page](https://www.markdownguide.org/)</pre> | Include links referring to a web [page](https://www.markdownguide.org/)
+|: Include links referring to a web `[page](https://www.markdownguide.org/)`. Avoid links in format `<link>` as it is not always parsed correctly. | Include links referring to a web [page](https://www.markdownguide.org/). Avoid links in format <link> as it is not always parsed correctly (like in this case).
 |:-----------------------------------|---------------------------|
 |: Include local pictures using markdown |
 |: ^^<pre>![My awesome picture](img/r3_logo.png)</pre> | ^^ ![My awesome picture](img/r3_logo.png)
diff --git a/external/general/getToLCSB/getToLCSB.md b/external/general/getToLCSB/getToLCSB.md
index 7f562faed2dbae5b71854392c2a5c21e62fd1f2e..cf7addd4fab32af3ad1ae0387f971df3110fdc03 100644
--- a/external/general/getToLCSB/getToLCSB.md
+++ b/external/general/getToLCSB/getToLCSB.md
@@ -38,7 +38,7 @@ From Luxembourg’s central train station, you will get a train every 20 minutes
 Take the train in direction of "Rodange" or "Petange". Your stop is called: "Belval-Université" station.<br>
 A map of the Campus BELVAL and how to find both LCSB buildings is shown below. From Belval train station it's about a 5 minutes-walk to either of our locations.
 
-You can also arrive by bus from Luxembourg City. Please visit <www.mobiliteit.lu> to select your travelling options. *Please note, however, that the train is the preferred option.*
+You can also arrive by bus from Luxembourg City. Please visit [www.mobiliteit.lu](https://www.mobiliteit.lu/en/journey-planner/) to select your travelling options. *Please note, however, that the train is the preferred option.*
 
 ### 3. Arriving by car:
 
diff --git a/external/general/links/important_links.md b/external/general/links/important_links.md
index 012ba8030079d0a403c491386c19452b5b4df1e6..eaeee61b716bf37be3fa0e8e3e9577ad57dd92ff 100644
--- a/external/general/links/important_links.md
+++ b/external/general/links/important_links.md
@@ -20,7 +20,7 @@ This is an overview on websites to manage work and help you with the navigation
 |[howto.lcsb.uni.lu](https://howto.lcsb.uni.lu/)|This is where the How-to Cards are deposited and constantly updated. You can find answers on administrative as well as on lab-related procedures here. For complex instructions, a step-by-step tutorial with corresponding screenshots or examples is provided. We encourage you to bookmark this page as many answers to your questions might be covered by a card. If you have any suggestions for improvements on existing or additional How-to Cards, just contact the R3 department.|
 |[owncloud.lcsb.uni.lu](https://owncloud.lcsb.uni.lu/)|LCSB ownCloud is a private cloud storage service for the use of LCSB staff and collaborators. It is suitable for exchanging small-sized files (up to 1-2 gigabyte, all SSL encrypted). You need a [LUMS account](https://howto.lcsb.uni.lu/?access:lums-passwords) for using this platform. The LUMS accounts can also be provided to external collaboration partners and can be requested at the [Service Portal](https://service.uni.lu/sp). For more information see also the [User’s Guide for ownCloud](https://howto.lcsb.uni.lu/?exchange-channels:owncloud).|
 |[daisy.lcsb.uni.lu](https://daisy.lcsb.uni.lu/)|The DAta Information SYstem (DAISY) is a comprehensive tool to manage your research data in a GDPR-compliant manner. You can create projects & datasets and share them with your collaboration partners. For more information and detailed description on DAISY, please refer to the [corresponding How-to Card](https://howto.lcsb.uni.lu/?daisy).|
-|[gitlab.lcsb.uni.lu](https://gitlab.lcsb.uni.lu/)|A developer’s platform operated by the R3-team where you can contribute to publish and develop public protocols/procedures, etc.  For instance, these How-to-cards can be created there. So also the corresponding card on [how to contribute](https://howto.lcsb.uni.lu/?contribute).|
+|[gitlab.lcsb.uni.lu](https://gitlab.lcsb.uni.lu/)|A developer’s platform operated by the R3-team where you can contribute to publish and develop public protocols/procedures, etc.  For instance, these How-to-cards can be created there. So also the corresponding card on [how to contribute](https://howto.lcsb.uni.lu/?contribute:web-ide).|
 |[owa.uni.lu](https://owa.uni.lu/)|The Outlook Web Application to access your mail account via any web browser. Login with you UNI.LU-credentials.|
 |[fiori.uni.lu](https://fiori.uni.lu/fiori/)|Upon login with your UNI.LU-credentials, this site provides you information on your employee profile. You can submit leave requests via this portal and also view your payslips.|
 |[archibus.uni.lux](https://archibus.uni.lux)|Booking a room in BT2 ground floor, Room 212 in BT1 and meeting rooms in other university buildings. **Please note:** This site can only be accessed when you are logged into the university network, either in your office or via a VPN client from elsewhere. See also the [corresponding How-to Card](https://howto.lcsb.uni.lu/?access:vpn-cerbere-access). Login with your staff/student credentials.|
diff --git a/external/lab/quarks-general/quarks-general.md b/external/lab/quarks-general/quarks-general.md
index 91c3581b223b51ab7d8407d08c01496f9bbe7922..615397f66f312ec4a92f12566d618d28e034fba4 100644
--- a/external/lab/quarks-general/quarks-general.md
+++ b/external/lab/quarks-general/quarks-general.md
@@ -11,7 +11,7 @@ redirect_from:
 
 ## How to access Quarks?
 
-<https://quarks.lcsb.uni.lu>
+[https://quarks.lcsb.uni.lu](https://quarks.lcsb.uni.lu)
 
 ### What does mean SSO connection?