diff --git a/README.md b/README.md
index 21954b4a7b..8c779a9869 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Except where otherwise stated, this software is distributed under a license base
 
 The clean room JCE, for use with JDK 1.1 to JDK 1.3 is in the jce/src/main/java directory.
 
-The **core** module provides all the functionality in the ligthweight APIs.
+The **core** module provides all the functionality in the lightweight APIs.
 
 The **prov** module provides all the JCA/JCE provider functionality.