Update README.md

Author: Marzogh

README.md

@@ -121,6 +121,7 @@ Returns the Unique ID as a 64-bit value.
 Gets the next available address for use. Has two variants:
 * Takes the size of the data as an argument and returns a 32-bit address
 * Takes a three variables, the size of the data and two other variables to return a page number value & an offset into.
+
 In library versions >= v3.0.0 This function can be called anytime - even if there is preexisting data on the flash chip. It will simply find the next empty address block for the data.
 
 ###### sizeofStr()