Update ltrim-transact-sql.md

Author: thesqlsith

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

@@ -48,7 +48,7 @@ LTRIM ( character_expression )
 Syntax for [!INCLUDE [sssql22-md](../../includes/sssql22-md.md)] and later:
 
 > [!IMPORTANT]
-> You will need your database compatibility level set to 160 to use the optional `characters` keywords.
+> You will need your database compatibility level set to 160 to use the optional `characters` argument.
 
 ```syntaxsql
 LTRIM ( character_expression , [ characters ] )
@@ -133,7 +133,7 @@ Original string	                                        Without spaces
 ### C. Remove specified characters from the beginning of a string
 
 > [!IMPORTANT]
-> You will need your database compatibility level set to 160 to use the optional `characters` keywords.
+> You will need your database compatibility level set to 160 to use the optional `characters` argument.
 
 The following example removes the characters `123` from the beginning of the `123abc.` string.