capitalized varchar

Author: icoric

docs/t-sql/functions/rtrim-transact-sql.md

@@ -75,7 +75,7 @@ SELECT RTRIM('Four spaces are after the period in this sentence.    ') + 'Next s
  The following example demonstrates how to use `RTRIM` to remove trailing spaces from a character variable.  
 
 ```sql  
-DECLARE @string_to_trim varchar(60);  
+DECLARE @string_to_trim VARCHAR(60);  
 SET @string_to_trim = 'Four spaces are after the period in this sentence.    ';  
 SELECT @string_to_trim + ' Next string.';  
 SELECT RTRIM(@string_to_trim) + ' Next string.';