Update index.mdx

edited for readability

Author: mkou-i

src/content/docs/extensions/db2i/index.mdx

@@ -79,7 +79,7 @@ Enter the value `null` to set a column to *null*. If the column cannot accept at
 
 ## Syntax checking
 
-When connected to an IBM i, should be enabled. Here is what triggers to syntax checker:
+When connected to an IBM i, the syntax checker has the following options:
 
 * as you edit an SQL file, the statement being edited will be syntax checked after a short period of time (enabled by default)
 * when you open an SQL file, the entire document will be checked (disabled by default and has a limit of 200 statements in the document)