diff --git a/man/tio.1.in b/man/tio.1.in
index a7cf83f..9d5ebee 100644
--- a/man/tio.1.in
+++ b/man/tio.1.in
@@ -447,8 +447,8 @@ Returns 1 on successful match, 0 on timeout, or -1 on error.
 On successful match it also returns the match string as second return value.
 
 .IP "\fBread(size, timeout)"
-Read from serial device. If timeout is 0 or not provided it will wait forever
-until data is ready to read.
+Read up to size bytes from serial device. If timeout is 0 or not provided it
+will wait forever until data is ready to read.
 
 Returns number of bytes read on success, 0 on timeout, or -1 on error.
 
diff --git a/man/tio.1.txt b/man/tio.1.txt
index 3021890..4363879 100644
--- a/man/tio.1.txt
+++ b/man/tio.1.txt
@@ -357,7 +357,7 @@ SCRIPT API
              On successful match it also returns the match string as second return value.
 
        read(size, timeout)
-             Read from serial device. If timeout is 0 or not provided it will wait forever until data is ready to read.
+             Read up to size bytes from serial device. If timeout is 0 or not provided it will wait forever until data is ready to read.
 
              Returns number of bytes read on success, 0 on timeout, or -1 on error.