diff --git a/docs/advanced-usage.md b/docs/advanced-usage.md
index b1f28328..35d1a7b1 100644
--- a/docs/advanced-usage.md
+++ b/docs/advanced-usage.md
@@ -4,7 +4,7 @@ This document covers the following scenarios:
 *   Configuring the client for use in dual-boot (Windows / Linux) situations
 
 ## Configuring the client to use mutlitple OneDrive accounts / configurations
-Essentially, each OneDrive account or SharePoint Shared Library which you require to be synced needs to have it's own and unique configuration, local sync directory and service files. To do this, the following steps are needed:
+Essentially, each OneDrive account or SharePoint Shared Library which you require to be synced needs to have its own and unique configuration, local sync directory and service files. To do this, the following steps are needed:
 1.  Create a unique configuration folder for each onedrive client configuration that you need
 2.  Copy to this folder a copy of the default configuration file
 3.  Update the default configuration file as required, changing the required minimum config options and any additional options as needed to support your multi-account configuration