Update README.md

README.md

@@ -64,7 +64,7 @@ You want to generate signature for healthy Human, male, 40 years, in tissue - wh
         "tissue": ["whole blood"],
         "age": 40,
         "cell": "",
-        "efo": "Normal",
+        "efo": "",
         "datatype": "",
         "drug": "",
         "dose": "",
@@ -87,7 +87,8 @@ You want to generate signature for healthy Human, male, 40 years, in tissue - wh
 }
 
 ```
-Note, here we used ```disease2diff2disease``` instruction, but we expected to generate signatures for healthy human, that's why we'd set ```efo``` to "Normal".
+Note, here we used ```disease2diff2disease``` instruction, but we expected to generate signatures for healthy human, that's why we'd set ```efo``` to empty string "".
+Alternatively, we can add one more instruction to example 2 - ```"instruction": ["disease2diff2disease", "age_individ2diff2age_individ"]```
 
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