Update core-targets.md

Co-authored-by: Andrii Chebukin <[email protected]>

docs/guide/core-targets.md

@@ -89,8 +89,9 @@ Now we have the following options:
 
 ## Script with arguments
 
-If you don't do `Target.initEnvironment()` at all, then FAKE will only use environment variables already set
-(e.g. Windows: `set mything=123`) instead of parsing the command-line `-e`.
+If you don't call `Target.initEnvironment()` before you use the `Environment` module, 
+then FAKE will only use system and inline environment variables 
+(e.g. Windows: `set mything=123`) instead of parsing the command line `-e` params.
 
 If you want multiple environment arguments, you can do `-e a=1 -e b=2`.