database/sql: fix typo in comment

Change-Id: Ie8ac82b6a1685299a92ec59acbd80b6de38e377c
GitHub-Last-Rev: 325df8d
GitHub-Pull-Request: golang#66457
Reviewed-on: https://go-review.googlesource.com/c/go/+/573615
Reviewed-by: Ian Lance Taylor <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>
Reviewed-by: David Chase <[email protected]>

Author: testwill

src/database/sql/doc.txt

@@ -37,7 +37,7 @@ Goals of the sql and sql/driver packages:
 
 * Push complexity, where necessary, down into the sql+driver packages,
   rather than exposing it to users. Said otherwise, the sql package
-  should expose an ideal database that's not finnicky about how it's
+  should expose an ideal database that's not finicky about how it's
   accessed, even if that's not true.
 
 * Provide optional interfaces in sql/driver for drivers to implement