diff --git a/include/eoskeygen/key_search.h b/include/eoskeygen/key_search.h
index a5c8fc5..5d13716 100644
--- a/include/eoskeygen/key_search.h
+++ b/include/eoskeygen/key_search.h
@@ -53,6 +53,7 @@ public :
 	// Clears the search list.
 	void clear();
 
+	// Set callback for search result.
 	void setCallback(IKeySearchResult* callback);
 
 #ifdef HAVE_THREADS