Document default idPrefix

1 files changed, 1 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/DocumentConverter.java b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
index b523bba..abd99bb 100644
--- a/src/main/java/org/zwobble/mammoth/DocumentConverter.java
+++ b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
@@ -40,6 +40,7 @@ public class DocumentConverter {
     /**
      * A string to prepend to any generated IDs,
      * such as those used by bookmarks, footnotes and endnotes.
+     * Defaults to the empty string.
      */
     public DocumentConverter idPrefix(String idPrefix) {
         return new DocumentConverter(options.idPrefix(idPrefix));