diff --git a/content/docs/installation/contents.lr b/content/docs/installation/contents.lr
index 1a3eedac..794de165 100644
--- a/content/docs/installation/contents.lr
+++ b/content/docs/installation/contents.lr
@@ -30,9 +30,10 @@ the installation is a bit more involved.
 
 You need to make sure you have the following software installed on your computer:
 
-* Python 2.7 (**not** Python 3.x, also `python-dev` is required on Ubuntu)
-* ImageMagick (`brew install imagemagick` or `apt-get install imagemagick`
-  can get you this on OS X and Ubuntu respectively, on Windows do `choco
+* Python 2.7 (**not** Python 3.x, also `python-dev`, `libssl-dev` and
+  `libffi-dev` is required on Ubuntu)
+* ImageMagick (`brew install imagemagick` can get you this on OS X and on
+  Ubuntu the `imagemagick` package needs ot be installed. On Windows do `choco
   install imagemagick`, which requires [chocolatey :ext](https://chocolatey.org/),
   or [download from here :ext](http://www.imagemagick.org)).
 
diff --git a/content/downloads/contents.lr b/content/downloads/contents.lr
index a60e446b..6b1e03d4 100644
--- a/content/downloads/contents.lr
+++ b/content/downloads/contents.lr
@@ -37,6 +37,9 @@ your current user does not have rights to write into `/usr/local`.
 curl -sf https://www.getlektor.com/install.sh | sh
 ```
 
+You might need additional dependencies for this installation.  For more
+information see [Installation](../docs/installation/).
+
 ### Windows
 
 If you are on Windows copy/paste this command into the `command prompt`: