diff --git a/README.md b/README.md
index 94483350a..542fde3dd 100644
--- a/README.md
+++ b/README.md
@@ -199,6 +199,12 @@ For efficient searches we recommend to install `pt` ([the platinum searcher][]).
    manually.
 
 3. Launch Emacs. Spacemacs will automatically install the packages it requires.
+   If you get an error regarding package downloads then you may try to disable
+   HTTPS protocol by starting Emacs with
+
+   ```sh
+   emacs --insecure
+   ```
 
 4. Restart Emacs to complete the installation.
 
diff --git a/doc/FAQ.org b/doc/FAQ.org
index f76545aed..46bb3c43c 100644
--- a/doc/FAQ.org
+++ b/doc/FAQ.org
@@ -6,6 +6,7 @@
    - [[Which version of Spacemacs am I running?][Which version of Spacemacs am I running?]]
    - [[What is the official pronunciation of Spacemacs?][What is the official pronunciation of Spacemacs?]]
    - [[Why are packages installed with =package-install= automatically deleted by Spacemacs when it boots?][Why are packages installed with =package-install= automatically deleted by Spacemacs when it boots?]]
+   - [[How to fix package download errors when installing Spacemacs ?][How to fix package download errors when installing Spacemacs ?]]
    - [[The Spacemacs banner is ugly, what should I do?][The Spacemacs banner is ugly, what should I do?]]
    - [[The powerline separators are ugly, how can I fix them?][The powerline separators are ugly, how can I fix them?]]
    - [[The powerline separators have no anti-aliasing, what can I do?][The powerline separators have no anti-aliasing, what can I do?]]
@@ -53,6 +54,14 @@ To declare new packages you have to create a new configuration layer or
 add the package name to the variable =dotspacemacs-additonal-packages=
 of your dotfile, see the [[file:QUICK_START.org][quick start guide]] for more info.
 
+** How to fix package download errors when installing Spacemacs ?
+Since 0.105.0 HTTPS protocol is used by default to download packages. If your
+environment does not allow HTTPS to reach ELPA repositories then you can start
+Emacs with the =--insecure= argument for force the usage of HTTP non secured
+protocol.
+Then you can set the variable =dotspacemacs-elpa-https= to =nil= in your
+dotfile to remove the need to start Emacs with =--insecure== argument.
+
 ** The Spacemacs banner is ugly, what should I do?
 Install the default font supported by Spacemacs or choose a fixed width font.
 More information in the font section of the [[file:DOCUMENTATION.org][documentation]].