fix : minor issues in readme fixed.

README.md

@@ -343,9 +343,9 @@ Filename: test.txt
 * Note2 : Use `NON_ASCII_FONTS` to access all Non-ASCII fonts name list (new in `Version 4.4`)
 * Note3 : Use `ASCII_FONTS` to access all ASCII fonts name list (new in `Version 5.7`)
 
-## Line
+### Line
 
-### 1. lprint
+#### 1. lprint
 
 This function prints a grid (`length` by `height`) of any given character.
 ```pycon
@@ -354,19 +354,19 @@ This function prints a grid (`length` by `height`) of any given character.
 ***************
 ```
 
-* Note1: This feature has been added since `Version 6.4`.
-* Note2: The default values are `length=15`, `height=1`, `char='#'`.
+* Note1: This feature has been added since `Version 6.4`
+* Note2: The default values are `length=15`, `height=1`, `char='#'`
 
-### 2. line
+#### 2. line
 
 This function return a grid (`length` by `height`) of any given character as `str` in and raise `artError` in exception.
 ```pycon	
 >>> line(length=15, height=2, char="*")
 '***************\n***************'
 ```
 
-* Note1: This feature has been added since `Version 6.4`.
-* Note2: The default values are `length=15`, `height=1`, `char='#'`.
+* Note1: This feature has been added since `Version 6.4`
+* Note2: The default values are `length=15`, `height=1`, `char='#'`
 
 
 ### Decoration