diff --git a/docs/persistent-identifiers.rst b/docs/persistent-identifiers.rst
index b01897b7d29758107eaad6ef9aca74e8c51a9b07..257f89baabbddfaf56e9594a008c19268eb45bc2 100644
--- a/docs/persistent-identifiers.rst
+++ b/docs/persistent-identifiers.rst
@@ -164,7 +164,7 @@ by the ``<identifier_with_context>`` entry point of the grammar:
   <lines_ctxt> ::= ";" "lines" "=" <line_number> ["-" <line_number>]
   <line_number> ::= <dec_digit> +
   <url> ::= (* RFC 3986 compliant URLs *)
-  <path_absolute_escaped> ::= (* RFC 3986 compliant absolute file path, percent-encoded *)
+  <path_absolute_escaped> ::= (* RFC 3986 compliant absolute file path, percent-escaped *)
 
 Here ``<path_absolute_escaped>`` is the ``<path_absolute>`` in `Section 3.3 of RFC 3986 <https://tools.ietf.org/html/rfc3986#section-3.3>`_ where all occurrences of ``;`` and ``%`` must be percent-encoded (as `%3B` and `%25` respectively).