diff --git a/include/ircd/m/room/room.h b/include/ircd/m/room/room.h
index 48f47a716..64ea7b4b3 100644
--- a/include/ircd/m/room/room.h
+++ b/include/ircd/m/room/room.h
@@ -141,7 +141,7 @@ struct ircd::m::room
 
 	operator const id &() const;
 
-	// Convenience passthru to room::messages (linear query; newest first)
+	// Convenience passthru to room::events (linear query; newest first)
 	bool for_each(const string_view &type, const event::closure_idx_bool &) const;
 	void for_each(const string_view &type, const event::closure_idx &) const;
 	bool for_each(const string_view &type, const event::id::closure_bool &) const;
diff --git a/include/ircd/simd/accumulate.h b/include/ircd/simd/accumulate.h
index 3b81eafe3..60a92df52 100644
--- a/include/ircd/simd/accumulate.h
+++ b/include/ircd/simd/accumulate.h
@@ -13,10 +13,10 @@
 
 namespace ircd::simd
 {
-	/// Transform block_t by pseudo-reference. The closure has an opportunity
-	/// to modify the block while it is being streamed from the source to the
-	/// destination. The mask indicates which elements of the block are valid
-	/// if the input is smaller than the block size.
+	/// Accumulate into block_t by synthetic-reference. The closure has an
+	/// opportunity to update the accumulator while data blocks are being
+	/// streamed from the input. The mask indicates which elements of the
+	/// input block are valid if the input is smaller or offset from the bs.
 	template<class block_t>
 	using accumulate_prototype = void (block_t &, block_t, block_t mask);