chore: update readme

Author: vmihailenco

CHANGELOG.md

@@ -4,7 +4,8 @@
 
 - Updated OpenTelemetry to
   [v1.0.1](https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.0.1).
-- Added [otelsql](/extra/otelsql/) instrumentation to instrument database/sql client.
+- Added [otelsql](/extra/otelsql/) instrumentation to instrument database/sql client. The
+  instrumentation records processed queries and reports `sql.DBStats` metrics.
 - Changed [otelzap](/extra/otelzap/) instrumentation to work with a standard unpatched version of
   Zap. The logging API is compatible, but you now have to wrap a `zap.Logger` with a
   `otelzap.Logger` to add OpenTelemetry instrumentation.

extra/otellogrus/README.md

@@ -40,7 +40,8 @@ See [example](/example/) for details.
 
 ## Options
 
-`otellogrus.NewHook` supports the following
+[otellogrus.NewHook](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otellogrus#NewHook)
+accepts the following
 [options](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otellogrus#Option):
 
 - `otellogrus.WithLevels(logrus.PanicLevel, logrus.FatalLevel, logrus.ErrorLevel, logrus.WarnLevel)`

extra/otelsql/README.md

@@ -37,9 +37,9 @@ See [example](/example/) for details.
 
 ## Options
 
-[otelzap.Open](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#Open) and
-[otelzap.OpenDB](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#OpenDB) accept a
-couple of [options](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#Option):
+Both [otelsql.Open](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#Open) and
+[otelsql.OpenDB](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#OpenDB) accept the
+same [options](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#Option):
 
 - [WithAttributes](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelsql#WithAttributes)
   configures attributes that are used to create a span.

extra/otelzap/README.md

@@ -40,8 +40,8 @@ See [example](/example/) for details.
 
 ## Options
 
-`otelzap.New` accepts a couple of
-[options](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelzap#Option):
+[otelzap.New](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelzap#New) accepts a couple
+of [options](https://pkg.go.dev/github.com/uptrace/uptrace-go/extra/otelzap#Option):
 
 - `otelzap.WithMinLevel(zap.WarnLevel)` sets the minimal zap logging level on which the log message
   is recorded on the span.