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-rw-r--r--src/blueshift_randr_c.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/blueshift_randr_c.c b/src/blueshift_randr_c.c
index fa75656..856d4f0 100644
--- a/src/blueshift_randr_c.c
+++ b/src/blueshift_randr_c.c
@@ -211,7 +211,8 @@ int blueshift_randr_open(int use_screen)
* @param use_crtc The CRTC to use
* @return {the size of the red curve, *the red curve,
* the size of the green curve, *the green curve,
- * the size of the blue curve, *the blue curve}, needs to be free:d
+ * the size of the blue curve, *the blue curve},
+ * needs to be free:d. `NULL` on error.
*/
uint16_t* blueshift_randr_read(int use_crtc)
{