fix typo
diff --git a/doc/Introduction.md b/doc/Introduction.md
index ab5a926..3f24e99 100644
--- a/doc/Introduction.md
+++ b/doc/Introduction.md
@@ -37,7 +37,7 @@
 
 #### Windows
 
-*coming soone*
+*coming soon*
 
 ----------
 ## How to use