diff --git a/include/export/json.hpp b/include/export/json.hpp
index 1afa662..40b8e88 100644
--- a/include/export/json.hpp
+++ b/include/export/json.hpp
@@ -27,7 +27,7 @@ namespace Export
     using std::string;
 
     /*!
-     *  @brief  Export as JSON array.
+     *  @brief  Export as %JSON array.
      *
      *  @since  0.8.0
      *
diff --git a/include/export/rss.hpp b/include/export/rss.hpp
index 8fe9495..4840f03 100644
--- a/include/export/rss.hpp
+++ b/include/export/rss.hpp
@@ -27,7 +27,7 @@ namespace Export
     using std::string;
 
     /*!
-     *  @brief  Export as RSS feed.
+     *  @brief  Export as %RSS feed.
      *
      *  @since  0.8.0
      *