📚 Switched from NVM to PMem abbreviation

README.md

-NVM-based Data Strucutres
+PMem-based Data Strucutres
 =========================
 
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-This is a repository for persistent data structures based on non-volatile memory (NVM).
+This is a repository for persistent data structures based on persistent memory (PMem).
 
 :sparkles: TODOs
 ----------------
@@ -13,8 +13,8 @@ This is a repository for persistent data structures based on non-volatile memory
 - [x] ~~PTable (BDCC + NVM)~~
 - [x] ~~Add Skip-Lists (Alex)~~
 - [ ] Add LSM Trees (Arun)
-- [ ] Add Tries (Leret)
-- [ ] Data structure common benchmark
+- [x] ~~Add Tries (Leret)~~
+- [ ] ~~Data structure common benchmark~~
 - [ ] Documentation
 
 :copyright: License