diff --git a/sphinx_doc_src/cmds/bind.rst b/sphinx_doc_src/cmds/bind.rst
index eab4ca094..fd7a17e81 100644
--- a/sphinx_doc_src/cmds/bind.rst
+++ b/sphinx_doc_src/cmds/bind.rst
@@ -122,6 +122,10 @@ The following special input functions are available:
 
 - ``history-search-forward``, search the history for the next match
 
+- ``history-prefix-search-backward``, search the history for the previous prefix match
+
+- ``history-prefix-search-forward``, search the history for the next prefix match
+
 - ``history-token-search-backward``, search the history for the previous matching argument
 
 - ``history-token-search-forward``, search the history for the next matching argument