README updates

Signed-off-by: Ravi Varadarajan <rvaradarajan@ucsd.edu>

Flows/README.md

 # Synthesis, Place & Route (SP&R):
-The setup to run SP&R of the available test cases on the given enablements are available in *./<enablement_name>/<testcase_name>/* directories.  
+The setup to run SP&R on the available test cases for the given enablements are available in *./<enablement_name>/<testcase_name>/* directories.  
 - [NanGate45](../Enablements/NanGate45/)
   - [Ariane136](./NanGate45/ariane136/)
   - [Ariane133](./NanGate45/ariane133/)
-  - [MemPool tile](./NanGate45/mempool_tile/)
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+  - [MemPool tile](./NanGate45/mempool_tile/)