Update README.md and docs (#11)

Co-authored-by: goruha <goruha@users.noreply.github.com>

Author: cloudpossebot

README.md

@@ -28,7 +28,7 @@
 
 -->
 
-Define YAML document, filter it with JSON query and get result as JSON string
+Define YAML document, filter it with JSON query and get result as outputs
 
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