Make constant name all-caps
diff --git a/include/git2/diff.h b/include/git2/diff.h
index 16a24b5..6732c30 100644
--- a/include/git2/diff.h
+++ b/include/git2/diff.h
@@ -107,7 +107,7 @@ typedef enum {
*/
typedef struct {
unsigned int version; /**< version for the struct */
- uint32_t flags; /**< defaults to git_diff_normal */
+ uint32_t flags; /**< defaults to GIT_DIFF_NORMAL */
uint16_t context_lines; /**< defaults to 3 */
uint16_t interhunk_lines; /**< defaults to 0 */
char *old_prefix; /**< defaults to "a" */