fix link, tweak wording

Author: leemthompo

docs/reference/query-languages/esql/_snippets/commands/layout/lookup-join.md

@@ -42,7 +42,7 @@ If multiple documents in the lookup index match a single row in your
 results, the output will contain one row for each matching combination.
 
 ::::{tip}
-For important information about using `LOOKUP JOIN`, refer to [Usage notes](../../../../esql/esql-lookup-join.md#implementation-details).
+For important information about using `LOOKUP JOIN`, refer to [Usage notes](../../../../esql/esql-lookup-join.md#usage-notes).
 ::::
 
 **Examples**

docs/reference/query-languages/esql/esql-lookup-join.md

@@ -163,10 +163,10 @@ This section covers important details about `LOOKUP JOIN` that impact query beha
 ### Handling name collisions
 
 When fields from the lookup index match existing column names, the new columns override the existing ones.
-Before the `LOOKUP JOIN`, preserve columns by either:
+Before the `LOOKUP JOIN` command, preserve columns by either:
 
 * Using `RENAME` to assign non-conflicting names
-* Using `EVAL` to create new columns with different names, then `DROP` the original columns
+* Using `EVAL` to create new columns with different names, then `DROP` to remove the original columns
 
 ### Sorting behavior