diff --git a/README.md b/README.md
index 29aca79..8398b8e 100644
--- a/README.md
+++ b/README.md
@@ -162,7 +162,7 @@ If you are in a rush you can [download 100 articles in the right format here (11
 
 The `index` command will index your document.
 By default it will use as 3 thread, each with a buffer size of 1GB split a
-accross these threads. 
+across these threads. 
 
 
 ```