Update README.md

Author: konard

README.md

@@ -28,7 +28,7 @@ The results below represent the amount of time (ns) the operation takes per iter
 ![Image of Rust benchmark (pixel scale)](https://github.com/linksplatform/Comparisons.PostgreSQLVSDoublets/blob/gh-pages/Docs/bench_rust.png?raw=true)
 ![Image of Rust benchmark (log scale)](https://github.com/linksplatform/Comparisons.PostgreSQLVSDoublets/blob/gh-pages/Docs/bench_rust_log_scale.png?raw=true)
 
-### Raw numbers
+### Raw benchmark results (all numbers are in nanoseconds)
 
 | Operation     | Doublets United Volatile | Doublets United NonVolatile | Doublets Split Volatile | Doublets Split NonVolatile | PSQL NonTransaction | PSQL Transaction |
 |---------------|--------------------------|-----------------------------|-------------------------|----------------------------|---------------------|------------------|
@@ -41,7 +41,6 @@ The results below represent the amount of time (ns) the operation takes per iter
 | Each All      | 15008                    | 16134                       | 16887                   | 15956                      | 1713894             | 1671724          |
 | Update        | 401860                   | 403564                      | 84370                   | 84605                      | 1840929549          | 1300854930       |
 
-
 ## Conclusion
 
 As we can see in this comparison, Doublets are around 200+ faster than PostgreSQL in write operations, and 1000+ faster in read operations.