Update README (#72)

Author: harelmo-lumigo

README.md

@@ -141,6 +141,7 @@ The tracer will automatically scrub values for keys in payload objects such as H
 - `x-amz-security-token`
 - `Signature`
 - `Authorization`
+
 This behavior can be overridden by setting the `LUMIGO_SECRET_MASKING_REGEX` environment variable to a JSON array of regex patterns to match, e.g.: `[".+top.secret.+", ".+pazzword.+"]`.
 
 #### Notes
@@ -186,4 +187,4 @@ will result in the following payload shown in the Lumigo platform:
     "not so secret": "value",
     "ToP sEcReT": "is case sensitive"
 }
-```
+```