diff --git a/docs/swab.1 b/docs/swab.1
index 64aed1a..0ca19e8 100644
--- a/docs/swab.1
+++ b/docs/swab.1
@@ -24,7 +24,7 @@ Swap the latter and former halves of a block of bytes.
 .SH OPTIONS
 
 .IP \fB-f\fP
-Ignore system call interruptions.
+Ignore SIGINT signal.
 .IP \fB-w\fP
 Configures the word size; that is, the size in bytes of the block size
 on which to operate. The default word size is 2. The word size must be