how to add a description and select the reviewers

Author: mariana-caldas

README.md

@@ -19,11 +19,12 @@ This is a video that explains a little bit how to start collaborating with the p
 
 [Start Collaborating](https://www.loom.com/share/fbe2c01a963c4885815391d671f35321?fbclid=IwAR1bI2VdRntQhK37dpRI3LS_YPWDmVk-n8yLTYqKlq-v7QP6cNgkaP5Nqe0)
 
-These are the videos that explain in detail how to branch out and submit PR:
+These are the videos that explain in detail how to branch out and submit a PR:
 
 [Branching out from an up to date master](https://www.loom.com/share/77c3bea45d86428a86c897ac3ccaacc4)
 [Creating the PR with the first commit](https://www.loom.com/share/04e326b873db4af7a4ce86c74183d554)
 [Fixing the PR title](https://www.loom.com/share/58feae54c4d04a2e908d5fe41dc262e9)
+[Adding the description and selecting the reviewers](https://www.loom.com/share/bf775cb7503c42129ab5f7715b094c53)
 
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