Document the X509Name.hash method
diff --git a/doc/pyOpenSSL.txt b/doc/pyOpenSSL.txt
index ff235ad..3e5c9c2 100644
--- a/doc/pyOpenSSL.txt
+++ b/doc/pyOpenSSL.txt
@@ -336,6 +336,12 @@
 
   3.1.2 X509Name objects
 
+   X509Name objects have the following methods:
+
+   hash()
+          Return an integer giving the first four bytes of the MD5 digest
+          of the DER representation of the name.
+
    X509Name objects have the following members:
 
    countryName