[libgpiod][PATCH 2/4] core: examples: fix file comments

[Kent Gibson <warthog618@gmail.com>]

Some of the file comments are cut-and-paste errors, so replace them
with the correct comment.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
---
 examples/async_watch_line_value.c      | 2 +-
 examples/get_multiple_line_values.c    | 2 +-
 examples/reconfigure_input_to_output.c | 5 ++++-
 examples/watch_multiple_line_values.c  | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/examples/async_watch_line_value.c b/examples/async_watch_line_value.c
index f35fb1a..8b1d643 100644
--- a/examples/async_watch_line_value.c
+++ b/examples/async_watch_line_value.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
 
-/* Minimal example of asynchronously watching for edges on a single line */
+/* Minimal example of asynchronously watching for edges on a single line. */
 
 #include <errno.h>
 #include <gpiod.h>
diff --git a/examples/get_multiple_line_values.c b/examples/get_multiple_line_values.c
index b16c570..c6df3f6 100644
--- a/examples/get_multiple_line_values.c
+++ b/examples/get_multiple_line_values.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
 
-/* Minimal example of reading a single line. */
+/* Minimal example of reading multiple lines. */
 
 #include <errno.h>
 #include <gpiod.h>
diff --git a/examples/reconfigure_input_to_output.c b/examples/reconfigure_input_to_output.c
index e8fbb1c..abfaf79 100644
--- a/examples/reconfigure_input_to_output.c
+++ b/examples/reconfigure_input_to_output.c
@@ -1,7 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
 
-/* Minimal example of reading a single line. */
+/* 
+ * Example of a bi-directional line requested as input and then switched
+ * to output.
+ */
 
 #include <errno.h>
 #include <gpiod.h>
diff --git a/examples/watch_multiple_line_values.c b/examples/watch_multiple_line_values.c
index 8015270..e955b2c 100644
--- a/examples/watch_multiple_line_values.c
+++ b/examples/watch_multiple_line_values.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
 
-/* Minimal example of watching for edges on a single line. */
+/* Minimal example of watching for edges on multiple lines. */
 
 #include <errno.h>
 #include <gpiod.h>
-- 
2.41.0