diff --git a/src/encoding/block.hpp b/src/encoding/block.hpp
index 9407ccf..0552755 100644
--- a/src/encoding/block.hpp
+++ b/src/encoding/block.hpp
@@ -249,6 +249,11 @@
   element_const_iterator
   find(uint32_t type) const;
 
+  /**
+   * @brief remove all subelements of \p type
+   * @param type TLV-TYPE of subelements to remove
+   * @pre parse() has been invoked
+   */
   void
   remove(uint32_t type);