website: Fixed a typo in gem5 Documentation

The typo is in section

  Modifying/Extending - Creating SimObjects in the memory system

Change-Id: Ic41093d196a32b91281349729b832b522e11e098
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/61742
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
diff --git a/_pages/documentation/learning_gem5/part2/part2_5_memoryobject.md b/_pages/documentation/learning_gem5/part2/part2_5_memoryobject.md
index 9908007..77cf7ee 100644
--- a/_pages/documentation/learning_gem5/part2/part2_5_memoryobject.md
+++ b/_pages/documentation/learning_gem5/part2/part2_5_memoryobject.md
@@ -112,7 +112,7 @@
 
 In the figure above, first, the master sends a timing request by
 calling `sendTimingReq`, which in turn calls `recvTimingResp`. The
-slave, returns true from `recvTimingResp`, which is returned from the
+slave, returns true from `recvTimingReq`, which is returned from the
 call to `sendTimingReq`. The master continue executing, and the slave
 does whatever is necessary to complete the request (e.g., if it is a
 cache, it looks up the tags to see if there is a match to the address in