fixing broken links (#1052)

* fixing broken link in logs readme
* typo
* another broken link

README.md

@@ -159,7 +159,7 @@ Exported spans can also be seen in jaeger at [http://127.0.0.1:16686](http://127
 
 ## Metrics signals
 
-Meters must be obtained from a `MeterProvider`
+See https://opentelemetry.io/docs/instrumentation/php/manual/#metrics
 
 ### Metrics examples
 
@@ -167,7 +167,7 @@ See [basic example](./examples/metrics/basic.php)
 
 ## Log signals
 
-See https://opentelemetry.io/docs/instrumentation/php/logging/
+See https://opentelemetry.io/docs/instrumentation/php/manual/#logging
 
 ### Logging examples
 

src/API/Logs/README.md

@@ -15,5 +15,5 @@ This means that a "log appender" in the 3rd party logging library (sometimes kno
 - convert logs from its own log format into OpenTelemetry's `LogRecord` format
 - send the logs to OpenTelemetry via `Logger::logRecord()`
 
-See [monolog-otel-integration](examples/logs/features/monolog-otel-integration.md) for an example.
+See [monolog-otel-integration](/examples/logs/features/monolog-otel-integration.php) for an example.