thodg/libgit2

diff --git a/include/git2/sys/merge.h b/include/git2/sys/merge.h
index 271527d..f07997d 100644
--- a/include/git2/sys/merge.h
+++ b/include/git2/sys/merge.h
@@ -15,7 +15,7 @@
 /**
  * @file git2/sys/merge.h
  * @brief Git merge driver backend and plugin routines
- * @defgroup git_backend Git custom backend APIs
+ * @defgroup git_merge Git merge driver APIs
  * @ingroup Git
  * @{
  */