typos.

README/ReleaseNotes/v610/index.md

@@ -87,13 +87,13 @@ The following interfaces have been removed, after deprecation in v6.08.
 - Introduce TDataFrame which offers a new and highly efficient way to analyse data stored in TTrees
 - In `TTree::OptimizeBaskets()` do not call GetBasket(0) to avoid disc reads
 - It is now possible to define the precision of the default histogram created
-  by `TTree::Draw`. Three new parameter dre available in `$ROOTSYS/etcsystem.rootrc`
+  by `TTree::Draw`. Three new parameters are available in `$ROOTSYS/etcsystem.rootrc`
   ```{.cpp}
    Hist.Precision.1D:           float
    Hist.Precision.2D:           float
    Hist.Precision.3D:           float
   ```
-  the fault values are `float`. They can be set tp `double`.
+  the default values are `float`. They can be set to `double`.
 
 ## 2D Graphics Libraries
 - If one used "col2" or "colz2", the value of `TH1::fMaximum` got modified.