diff --git a/xpeek.dtx b/xpeek.dtx
index f042445..b068d1c 100644
--- a/xpeek.dtx
+++ b/xpeek.dtx
@@ -329,7 +329,7 @@ Joel C. Salomon ‹joelcsalomon@gmail.com›.
 %    that gets the collected tokens as an argument.)
 % \end{function}
 %
-% \subsection{Searching Token-Lists}
+% \subsection{Searching Through Token-Lists}
 %
 % \begin{function}{\xpeek_if_in:NNTF}
 %   \begin{syntax}\fixsyntaxlines
@@ -527,7 +527,7 @@ Joel C. Salomon ‹joelcsalomon@gmail.com›.
 % \end{macro}
 % \end{macro}
 %
-% \subsection{Searching Token-Lists}
+% \subsection{Searching Through Token-Lists}
 %
 % \begin{macro}{\xpeek_if_in:NNTF}
 % \begin{variable}[aux]{\l_@@_bool}