Update gradients_internal.h
diff --git a/tensorflow/c/eager/gradients_internal.h b/tensorflow/c/eager/gradients_internal.h
index 5ddf017..1e14302 100644
--- a/tensorflow/c/eager/gradients_internal.h
+++ b/tensorflow/c/eager/gradients_internal.h
@@ -24,7 +24,7 @@
// Helper functions which delegate to `AbstractOperation`, update
// the state of the ForwardOperation and call the tape as appropriate.
-// These APIs are mainly to faciliate testing and are subject to change.
+// These APIs are mainly to facilitate testing and are subject to change.
// Records the op name in the `ForwardOperation`.
Status Reset(AbstractOperation*, const char* op, const char* raw_device_name,