diff --git a/README.md b/README.md
index a0eb3e0..03bacac 100644
--- a/README.md
+++ b/README.md
@@ -127,7 +127,15 @@ This error code is returned whenever you try to call this script and your operat
 
 If the installation of `fzf` has failed, this script will return the error, otherwise, it will simply continue with the installation.
 
-### 🪲 6 (ERROR_BECAUSE_PLAYBOOK_PATH_DOES_NOT_EXIST)
+### 🪲 6 (ERROR_BECAUSE_GIT_PULL_FAILED)
+
+This error code is returned whenever the script attempts at updating the local git repository.
+
+This may happen if you have local changes, or if you don't have any http connection anymore.
+
+This script will require an internet connection so it does not make sense to continue if you don't have one.
+
+### 🪲 7 (ERROR_BECAUSE_PLAYBOOK_PATH_DOES_NOT_EXIST)
 
 This error code is returned whenever you try to call this script with an argument, which is the path to a playbook (configuration for the installation) you know you want to use.