diff --git a/reference/parle/parle.lexer.xml b/reference/parle/parle.lexer.xml
index a4e150bdf0..3ef1962ca9 100644
--- a/reference/parle/parle.lexer.xml
+++ b/reference/parle/parle.lexer.xml
@@ -153,7 +153,7 @@
     <varlistentry xml:id="parle-lexer.props.state">
      <term><varname>state</varname></term>
      <listitem>
-      <para>Current lexer state.</para>
+      <para>Current lexer state, readonly.</para>
      </listitem>
     </varlistentry>
    </variablelist>
diff --git a/reference/parle/parle.rlexer.xml b/reference/parle/parle.rlexer.xml
index 3ea6c29466..2b3eec1116 100644
--- a/reference/parle/parle.rlexer.xml
+++ b/reference/parle/parle.rlexer.xml
@@ -162,7 +162,7 @@
     <varlistentry xml:id="parle-rlexer.props.state">
      <term><varname>state</varname></term>
      <listitem>
-      <para>Current lexer state.</para>
+      <para>Current lexer state, readonly.</para>
      </listitem>
     </varlistentry>
    </variablelist>