Fixed typo in comment.
Fixed typo in comment.

Change-Id: I7d5f9d3f8885fba6a1eca1df5f86ce27c12b07c3
Reviewed-on: https://gerrit.franz.com:9080/13155

franzinc/agraph-python,franzinc/agraph-python,franzinc/agraph-python,franzinc/agraph-python