diff --git a/API-Docs.md b/API-Docs.md
index beb717a..55780af 100644
--- a/API-Docs.md
+++ b/API-Docs.md
@@ -441,6 +441,7 @@ __________________________________________________________________
 ```js
 {
   username: string, // search string for username
+  // case sensitive
   // minimum for non-exact search is 3 characters, maximum is 64 characters
   exact: Boolean // if explicitly set to true, searches for exact username
 }