Apply suggestion to README.md

Author: Deb, Diptorup

README.md

@@ -13,7 +13,7 @@ How to install?
     `bash conda env create -n dppl-env -f environment.yml`
 
     `conda activate dppl-env`
-4. run `./build_for_conda.sh`
+4. Run `./build_for_conda.sh`
 
 Examples:
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