diff --git a/free-programming-books.md b/free-programming-books.md
index 3687baf11365c7d50bd54a19b1978ce6cde9f853..9482138839734b19f2ca39c66b6d0ed702ce92c9 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -32,7 +32,7 @@
 * [C](#c)
 * [C++](#c-1)
 * [Clojure](#clojure)
-* [Cobol] (#cobol)
+* [COBOL] (#COBOL)
 * [CoffeeScript](#coffeescript)
 * [ColdFusion](#coldfusion)
 * [Coq](#coq)
@@ -441,7 +441,7 @@
 
 ###COBOL
 * [COBOL Programming Fundamental] (http://ibmtc.hust.edu.cn/zos-cobol/cobol/resource/COBOL_Programming_Fundamental.pdf) (PDF)
-* [Open COBOL 1.1 - Programmer's Guide] (http://opencobol.add1tocobol.com/OpenCOBOL%20Programmers%20Guide.pdf) (PDF)
+* [OpenCOBOL 1.1 - Programmer's Guide] (http://opencobol.add1tocobol.com/OpenCOBOL%20Programmers%20Guide.pdf) (PDF)
 
 ###CoffeeScript
 * [Smooth CoffeeScript](http://autotelicum.github.com/Smooth-CoffeeScript/SmoothCoffeeScript.html)