diff --git a/man3/termios.3 b/man3/termios.3
index 0cac2c678..3aaa365b3 100644
--- a/man3/termios.3
+++ b/man3/termios.3
@@ -732,8 +732,12 @@ and the remaining characters will be available for a future
 The maximum line length is 4096 chars
 (including the terminating newline character);
 lines longer than 4096 chars are truncated.
-After 4095 characters,
-input data up (but not including) any terminating newline is discarded.
+After 4095 characters, input processing (e.g.,
+.B ISIG
+and
+.B ECHO*
+processing) continues, but any input data after 4095 characters up to
+(but not including) any terminating newline is discarded.
 This ensures that the terminal can always receive
 more input until at least one line can be read.
 .PP