Merge pull request #1700 from jasonrandrews/review

Fix broken link to image in memory model Learning Path

Author: jasonrandrews

content/learning-paths/servers-and-cloud-computing/arm-cpp-memory-model/1.md

@@ -30,7 +30,7 @@ MULT R3, #R1, #5 // B
 
 - **Hardware Perceived Order**: This is the perspective observed by other devices in the system, which can differ if the hardware buffers writes or merges memory operations. Crucially, the hardware-perceived order can vary between CPU architectures, for example between x86 and Arm, and this should be considered when porting applications. An abstract diagram from the academic paper is shown below [Maranget et. al, 2012]. A write operation in one of the 5 threads in the pentagon below may propagate to the other threads in any order. 
 
-![abstract_model](./Abstract_model.png)
+![abstract_model](./multi-copy-atomic.png)
 
 ## High-level differences between the Arm memory model and the x86 memory model