* src/fns.c (Fbuffer_hash): Doc fix. (Bug#45178)

diff --git a/src/fns.c b/src/fns.c
index a0c4a1fbf1a85b5a63a465a0dec674a9bcd37b2d..f77092972ab71718c45fec3434e9f562e4420f17 100644 (file)
--- a/src/fns.c
+++ b/src/fns.c
@@ -5440,7 +5440,8 @@ disregarding any coding systems.  If nil, use the current buffer.
 
 This function is useful for comparing two buffers running in the same
 Emacs, but is not guaranteed to return the same hash between different
-Emacs versions.
+Emacs versions.  It should be somewhat more efficient on larger
+buffers than `secure-hash' is, and should not allocate more memory.
 
 It should not be used for anything security-related.  See
 `secure-hash' for these applications.  */ )