diff --git a/web/content/docs/devguide/advanced/singularity.md b/web/content/docs/devguide/advanced/singularity.md
index 5d39020cfa3bd8760b33b481bae48592eabc54d7..8b339677000705edb2e372fff51ae3d985f9255d 100644
--- a/web/content/docs/devguide/advanced/singularity.md
+++ b/web/content/docs/devguide/advanced/singularity.md
@@ -9,6 +9,14 @@ weight = 1036
     parent = "advanced"
 +++
 
+<div class='note'>
+
+### Important note
+
+This page describes how to **build** OGS with the help of a Linux container (for **developers**). To **run** OGS with the help of a container go to the [user guide]({{< ref "container.md" >}}) (for **developers**).
+
+</div>
+
 ## Introduction
 
 [Singularity](https://www.sylabs.io) is a Linux container runtime similar to Docker. Key advantages over Docker are
diff --git a/web/content/docs/userguide/basics/container.md b/web/content/docs/userguide/basics/container.md
index 38e094fe1cf40f3717b0ad0048783ba70c55642d..b8f7b617c0931f2b8a2605f6e4704d90b201a3b3 100644
--- a/web/content/docs/userguide/basics/container.md
+++ b/web/content/docs/userguide/basics/container.md
@@ -1,5 +1,5 @@
 +++
-date = "2018-11-14T15:00:13+01`:00"
+date = "2018-11-14T15:00:13+01:00"
 title = "Running OGS in a container"
 author = "Lars Bilke"
 weight = 10
@@ -9,6 +9,14 @@ weight = 10
     parent = "basics"
 +++
 
+<div class='note'>
+
+### Important note
+
+This page describes how to **run** OGS with the help of a Linux container (for **users**). To **build** OGS with the help of a container go to the [developer guide]({{< ref "singularity.md" >}}) (for **developers**).
+
+</div>
+
 ## With Singularity
 
 ### Prerequisites