fix(layers/promethues-client): doc link

core/src/layers/fastrace.rs

@@ -28,7 +28,7 @@ use crate::raw::oio::WriteOperation;
 use crate::raw::*;
 use crate::*;
 
-/// Add [fastrace](https://docs.rs/fastrace/) for every operations.
+/// Add [fastrace](https://docs.rs/fastrace/) for every operation.
 ///
 /// # Examples
 ///

core/src/layers/logging.rs

@@ -33,7 +33,7 @@ use crate::raw::oio::WriteOperation;
 use crate::raw::*;
 use crate::*;
 
-/// Add [log](https://docs.rs/log/) for every operations.
+/// Add [log](https://docs.rs/log/) for every operation.
 ///
 /// # Logging
 ///

core/src/layers/metrics.rs

@@ -56,7 +56,7 @@ static LABEL_OPERATION: &str = "operation";
 /// The error kind of this failed request.
 static LABEL_ERROR: &str = "error";
 
-/// Add [metrics](https://docs.rs/metrics/) for every operations.
+/// Add [metrics](https://docs.rs/metrics/) for every operation.
 ///
 /// # Metrics
 ///

core/src/layers/oteltrace.rs

@@ -31,7 +31,7 @@ use opentelemetry::KeyValue;
 use crate::raw::*;
 use crate::*;
 
-/// Add [opentelemetry::trace](https://docs.rs/opentelemetry/latest/opentelemetry/trace/index.html) for every operations.
+/// Add [opentelemetry::trace](https://docs.rs/opentelemetry/latest/opentelemetry/trace/index.html) for every operation.
 ///
 /// Examples
 ///

core/src/layers/prometheus.rs

@@ -37,7 +37,7 @@ use crate::raw::Access;
 use crate::raw::*;
 use crate::*;
 
-/// Add [prometheus](https://docs.rs/prometheus) for every operations.
+/// Add [prometheus](https://docs.rs/prometheus) for every operation.
 ///
 /// # Prometheus Metrics
 ///

core/src/layers/prometheus_client.rs

@@ -37,7 +37,7 @@ use crate::raw::Access;
 use crate::raw::*;
 use crate::*;
 
-/// Add [prometheus](https://docs.rs/prometheus) for every operations.
+/// Add [prometheus-client](https://docs.rs/prometheus-client) for every operation.
 ///
 /// # Examples
 ///
@@ -88,7 +88,7 @@ pub struct PrometheusClientLayer {
 
 impl PrometheusClientLayer {
     /// Create PrometheusClientLayer while registering itself to this registry. Please keep in caution
-    /// that do NOT call this method multiple times with a same registry. If you want initialize multiple
+    /// that do NOT call this method multiple times with a same registry. If you want to initialize multiple
     /// [`PrometheusClientLayer`] with a single registry, you should use [`Arc::clone`] instead.
     pub fn new(registry: &mut Registry) -> Self {
         let metrics = PrometheusClientMetricDefinitions::register(registry);

core/src/layers/timeout.rs

@@ -25,7 +25,7 @@ use crate::raw::oio::WriteOperation;
 use crate::raw::*;
 use crate::*;
 
-/// Add timeout for every operations to avoid slow or unexpected hang operations.
+/// Add timeout for every operation to avoid slow or unexpected hang operations.
 ///
 /// For example, a dead connection could hang a databases sql query. TimeoutLayer
 /// will break this connection and returns an error so users can handle it by

core/src/layers/tracing.rs

@@ -25,7 +25,7 @@ use tracing::Span;
 use crate::raw::*;
 use crate::*;
 
-/// Add [tracing](https://docs.rs/tracing/) for every operations.
+/// Add [tracing](https://docs.rs/tracing/) for every operation.
 ///
 /// # Examples
 ///