doc: tweak the comment for gpiod_version_string()

Make it clear that this function returns the API version as we now have
separate API and ABI versions.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/include/gpiod.h b/include/gpiod.h
index 983cb66cf565f12ead1553e77878f8928ff84c6c..5ae45aa9a23cd400556f97ca40ff5be29a8c42e1 100644 (file)
--- a/include/gpiod.h
+++ b/include/gpiod.h
@@ -1308,7 +1308,7 @@ gpiod_line_iter_next(struct gpiod_line_iter *iter) GPIOD_API;
  */
 
 /**
- * @brief Get the version of the library as a human-readable string.
+ * @brief Get the API version of the library as a human-readable string.
  * @return Human-readable string containing the library version.
  */
 const char *gpiod_version_string(void) GPIOD_API;