update README.md

Author: nevstop

README.md

@@ -45,6 +45,9 @@ TRUE/FALSE String Pairs:
   - Non-null/null
 ```
 
+> [!NOTE]
+> You  can use `API String - Add Boolean Strings.vi` or `API String - Remove Boolean Strings.vi` to set your own boolean string to be used.
+
 ### Integer
 
 _**special case**_:
@@ -65,6 +68,7 @@ Supported format:
   - 1M
 ```
 
+
 ### Float(DBL/SGL)
 
 _**special case**_:
@@ -95,6 +99,9 @@ Supported Format:
   - Special Float: `e`,`-e`,`pi`,`-pi`,`inf`,`+inf`,`-inf`,`NaN`
 ```
 
+> [!NOTE]
+> Default precision is 6. You can change it by `API String - Set Float Precision.vi`
+
 ### Complex(DBL/SGL)
 
 String of `a+bi` or `a-bi` stands of complex data type. `a` and `b` is supporting all Float format.