thodg/libgit2

diff --git a/include/git2/repository.h b/include/git2/repository.h
index ce56fef..cf268ef 100644
--- a/include/git2/repository.h
+++ b/include/git2/repository.h
@@ -745,7 +745,7 @@ GIT_EXTERN(int) git_repository_ident(const char **name, const char **email, cons
  *
  * @param repo the repository to configure
  * @param name the name to use for the reflog entries
- * @param name the email to use for the reflog entries
+ * @param email the email to use for the reflog entries
  */
 GIT_EXTERN(int) git_repository_set_ident(git_repository *repo, const char *name, const char *email);
 
diff --git a/include/git2/sys/odb_backend.h b/include/git2/sys/odb_backend.h
index 0a51c6d..fe102ff 100644
--- a/include/git2/sys/odb_backend.h
+++ b/include/git2/sys/odb_backend.h
@@ -93,7 +93,7 @@ struct git_odb_backend {
  * Initializes a `git_odb_backend` with default values. Equivalent to
  * creating an instance with GIT_ODB_BACKEND_INIT.
  *
- * @param opts the `git_odb_backend` struct to initialize.
+ * @param backend the `git_odb_backend` struct to initialize.
  * @param version Version the struct; pass `GIT_ODB_BACKEND_VERSION`
  * @return Zero on success; -1 on failure.
  */
diff --git a/include/git2/sys/refdb_backend.h b/include/git2/sys/refdb_backend.h
index d943e55..8b004a7 100644
--- a/include/git2/sys/refdb_backend.h
+++ b/include/git2/sys/refdb_backend.h
@@ -175,7 +175,7 @@ struct git_refdb_backend {
  * Initializes a `git_refdb_backend` with default values. Equivalent to
  * creating an instance with GIT_REFDB_BACKEND_INIT.
  *
- * @param opts the `git_refdb_backend` struct to initialize
+ * @param backend the `git_refdb_backend` struct to initialize
  * @param version Version of struct; pass `GIT_REFDB_BACKEND_VERSION`
  * @return Zero on success; -1 on failure.
  */