diff --git a/src/main/asciidoc/java_oort.adoc b/src/main/asciidoc/java_oort.adoc
index 8cfee01..030164c 100644
--- a/src/main/asciidoc/java_oort.adoc
+++ b/src/main/asciidoc/java_oort.adoc
@@ -528,7 +528,7 @@ containing an extension field that is peculiar to Oort with the following format
 
 The `oortURL` field is the URL of the node that initiates the handshake; the
 `cometURL` field is the URL of the node that receives the handshake; the
-`oortSecret` is the base64 encoding of the SHA-1 digested bytes of the
+`oortSecret` is the base64 encoding of the SHA-512 digested bytes of the
 pre-shared secret of the initiating Oort node (see the earlier section,
 <<_java_oort_common_configuration,the Oort common configuration section>>).