update DESCRIPTION

cran-comments.md

@@ -1,13 +1,13 @@
 * **Package**: pliman
-* **Version**: 2.0.1
+* **Version**: 2.0.0
 * **Date**: 2023/07/14
 * **Dependencies**
    - Pliman depends on {EBImage} that is not on CRAN. I check this internally and provide a guide to install it. 
 * **Reverse dependencies**: None
 * **Release summary**
    - This is a major release (2.0.0) that includes several new features and breaking changes. Please, see `NEWS.md` for additional information.
 
-   In this resubmission, I removed `CXX_STD=CXX11` from `src/Makevars` and `src/Makevars.win` to fix the note "checking C++ specification ... NOTE - Specified C++11: please drop specification unless essential"
+   In this resubmission, I updated the DESCRIPTION file by removing redundant sentences and including some references. 
 
 * **R CMD check results (run with --run-donttest --as-cran)**
 0 errors | 0 warnings | 1 notes