diff --git a/source/installation-guide/wazuh-indexer/installation-assistant.rst b/source/installation-guide/wazuh-indexer/installation-assistant.rst
index f5da4778fa..40a6270f6b 100644
--- a/source/installation-guide/wazuh-indexer/installation-assistant.rst
+++ b/source/installation-guide/wazuh-indexer/installation-assistant.rst
@@ -8,6 +8,8 @@ Installing the Wazuh indexer using the assisted installation method
 
 Install and configure the Wazuh indexer as a single-node or multi-node cluster on a 64-bit (x86_64/AMD64) architecture using the assisted installation method. The Wazuh indexer is a highly scalable full-text search engine. It offers advanced security, alerting, index management, deep performance analysis, and several other features.
 
+.. note:: ``curl`` isn't installed on all Linux operating systems by defaut, such as Ubuntu. Therefore, it may need to be installed manually before proceeding.
+
 Wazuh indexer cluster installation
 ----------------------------------
 
diff --git a/source/quickstart.rst b/source/quickstart.rst
index dd0c7f944a..ca3a803f41 100644
--- a/source/quickstart.rst
+++ b/source/quickstart.rst
@@ -63,6 +63,7 @@ Installing Wazuh
 
 #.  Download and run the Wazuh installation assistant.
 
+    .. note:: ``curl`` isn't installed on all Linux operating systems by defaut, such as Ubuntu. Therefore, it may need to be installed manually before proceeding.
     .. code-block:: console
 
         $ curl -sO https://packages.wazuh.com/|WAZUH_CURRENT_MINOR|/wazuh-install.sh && sudo bash ./wazuh-install.sh -a --install-dependencies