adjust log capitializing

standards for this project are camel cased logging message. Like this:

sentence 1. Sentence 2

1 files changed, 1 insertions, 1 deletions

diff --git a/dc/dc.c b/dc/dc.c
index 942174b..83cf1d9 100644
--- a/dc/dc.c
+++ b/dc/dc.c
@@ -25,7 +25,7 @@ int main(void)
     qoi_desc desc;
     void *data = qoi_read("test_img.qoi", &desc, 3);
     if (!data)
-        ty_log_fatal(TY_ERR_IO, "Failed to read image");
+        ty_log_fatal(TY_ERR_IO, "failed to read image");
     struct ty_image img = ty_create_image(desc.width, desc.height, data);
     free(data);