diff --git a/STYLE.md b/STYLE.md
index 87da031c..887a6c53 100644
--- a/STYLE.md
+++ b/STYLE.md
@@ -87,7 +87,7 @@ In addition, the following conventions should be followed:
 * Prefer `oneof` selections to boolean overloads of fields, for example, prefer:
 
   ```proto
-  oneof path_secifier {
+  oneof path_specifier {
     string simple_path = 1;
     string regex_path = 2;
   }
diff --git a/envoy/api/v2/cds.proto b/envoy/api/v2/cds.proto
index 71d48e28..bd200eae 100644
--- a/envoy/api/v2/cds.proto
+++ b/envoy/api/v2/cds.proto
@@ -435,7 +435,7 @@ message Cluster {
   // :ref:`Original Destination <arch_overview_load_balancing_types_original_destination>`
   // load balancing policy.
   message OriginalDstLbConfig {
-    // When true, :ref:`x-envoy-orignal-dst-host
+    // When true, :ref:`x-envoy-original-dst-host
     // <config_http_conn_man_headers_x-envoy-original-dst-host>` can be used to override destination
     // address.
     //
diff --git a/envoy/api/v2/core/address.proto b/envoy/api/v2/core/address.proto
index 44fdd865..dbf6acc7 100644
--- a/envoy/api/v2/core/address.proto
+++ b/envoy/api/v2/core/address.proto
@@ -56,7 +56,7 @@ message SocketAddress {
   // IP address, no resolution will occur.
   string resolver_name = 5;
 
-  // When binding to an IPv6 address above, this enables `IPv4 compatibity
+  // When binding to an IPv6 address above, this enables `IPv4 compatibility
   // <https://tools.ietf.org/html/rfc3493#page-11>`_. Binding to ``::`` will
   // allow both IPv4 and IPv6 connections, with peer IPv4 addresses mapped into
   // IPv6 space as ``::FFFF:<IPv4-address>``.
diff --git a/envoy/api/v2/core/config_source.proto b/envoy/api/v2/core/config_source.proto
index 5f47da17..eb314fc4 100644
--- a/envoy/api/v2/core/config_source.proto
+++ b/envoy/api/v2/core/config_source.proto
@@ -65,7 +65,7 @@ message AggregatedConfigSource {
 
 // Rate Limit settings to be applied for discovery requests made by Envoy.
 message RateLimitSettings {
-  // Maximum number of tokens to be used for rate limting discovery request calls. If not set, a
+  // Maximum number of tokens to be used for rate limiting discovery request calls. If not set, a
   // default value of 100 will be used.
   google.protobuf.UInt32Value max_tokens = 1;
 
diff --git a/envoy/api/v2/core/health_check.proto b/envoy/api/v2/core/health_check.proto
index 9f4ca602..b158b6c8 100644
--- a/envoy/api/v2/core/health_check.proto
+++ b/envoy/api/v2/core/health_check.proto
@@ -40,7 +40,7 @@ message HealthCheck {
     (gogoproto.stdduration) = true
   ];
 
-  // An optional jitter amount in millseconds. If specified, during every
+  // An optional jitter amount in milliseconds. If specified, during every
   // interval Envoy will add interval_jitter to the wait time.
   google.protobuf.Duration interval_jitter = 3;
 
diff --git a/envoy/api/v2/discovery.proto b/envoy/api/v2/discovery.proto
index aed7a5d0..75fcc02a 100644
--- a/envoy/api/v2/discovery.proto
+++ b/envoy/api/v2/discovery.proto
@@ -110,7 +110,7 @@ message DiscoveryResponse {
 //
 // In Incremental xDS the nonce field is required and used to pair
 // IncrementalDiscoveryResponse to a IncrementalDiscoveryRequest ACK or NACK.
-// Optionaly, a response message level system_version_info is present for
+// Optionally, a response message level system_version_info is present for
 // debugging purposes only.
 //
 // IncrementalDiscoveryRequest can be sent in 3 situations:
diff --git a/envoy/api/v2/endpoint/endpoint.proto b/envoy/api/v2/endpoint/endpoint.proto
index b8e67ce5..2efe7d1f 100644
--- a/envoy/api/v2/endpoint/endpoint.proto
+++ b/envoy/api/v2/endpoint/endpoint.proto
@@ -108,7 +108,7 @@ message LocalityLbEndpoints {
   // Locality weights are only considered when :ref:`locality weighted load
   // balancing <arch_overview_load_balancing_locality_weighted_lb>` is
   // configured. These weights are ignored otherwise. If no weights are
-  // specificed when locality weighted load balancing is enabled, the cluster is
+  // specified when locality weighted load balancing is enabled, the cluster is
   // assumed to have a weight of 1.
   //
   // .. attention::
diff --git a/envoy/api/v2/lds.proto b/envoy/api/v2/lds.proto
index 73270228..56980a11 100644
--- a/envoy/api/v2/lds.proto
+++ b/envoy/api/v2/lds.proto
@@ -89,7 +89,7 @@ message Listener {
 
   // [#not-implemented-hide:]
   message DeprecatedV1 {
-    // Whether the listener should bind to the port. A listener that doesn’t
+    // Whether the listener should bind to the port. A listener that doesn't
     // bind can only receive connections redirected from other listeners that
     // set use_original_dst parameter to true. Default is true.
     //
diff --git a/envoy/api/v2/route/route.proto b/envoy/api/v2/route/route.proto
index 1075d9d7..7e7b41de 100644
--- a/envoy/api/v2/route/route.proto
+++ b/envoy/api/v2/route/route.proto
@@ -340,7 +340,7 @@ message RouteMatch {
   // Indicates that the route should additionally match on a runtime key. Every time the route
   // is considered for a match, it must also fall under the percentage of matches indicated by
   // this field. For some fraction N/D, a random number in the range [0,D) is selected. If the
-  // number is <= the value of the numberator N, or if the key is not present, the default
+  // number is <= the value of the numerator N, or if the key is not present, the default
   // value, the router continues to evaluate the remaining match criteria. A runtime_fraction
   // route configuration can be used to roll out route changes in a gradual manner without full
   // code/config deploys. Refer to the :ref:`traffic shifting
@@ -601,7 +601,7 @@ message RouteAction {
     // fall under the percentage of matches indicated by this field.
     //
     // For some fraction N/D, a random number in the range [0,D) is selected. If the
-    // number is <= the value of the numberator N, or if the key is not present, the default
+    // number is <= the value of the numerator N, or if the key is not present, the default
     // value, the request will be mirrored.
     //
     // .. note::
diff --git a/envoy/config/filter/http/ext_authz/v2/ext_authz.proto b/envoy/config/filter/http/ext_authz/v2/ext_authz.proto
index 0e385a6e..ddcdf6ab 100644
--- a/envoy/config/filter/http/ext_authz/v2/ext_authz.proto
+++ b/envoy/config/filter/http/ext_authz/v2/ext_authz.proto
@@ -40,16 +40,16 @@ message ExtAuthz {
   bool failure_mode_allow = 2;
 }
 
-// HttpService is used for raw HTTP comunication between the filter and the authorization service.
+// HttpService is used for raw HTTP communication between the filter and the authorization service.
 // When configured, the filter will parse the client request and use these attributes to call the
 // authorization server. Depending on the response, the filter may reject or accept the client
-// request. Note that in any of these events, metadata can be added, removed or overriden by the
+// request. Note that in any of these events, metadata can be added, removed or overridden by the
 // filter:
 //
 // *On authorization request*, a list of allowed request headers may be supplied. See
 // :ref:`allowed_headers
 // <envoy_api_field_config.filter.http.ext_authz.v2.AuthorizationRequest.allowed_headers>`
-// for details. Additional headers metadata may be added to the authorization resquest. See
+// for details. Additional headers metadata may be added to the authorization request. See
 // :ref:`headers_to_add
 // <envoy_api_field_config.filter.http.ext_authz.v2.AuthorizationRequest.headers_to_add>` for
 // details.
@@ -96,14 +96,14 @@ message AuthorizationRequest {
   envoy.type.matcher.ListStringMatcher allowed_headers = 1;
 
   // Sets a list of headers that will be included to the request to authorization service. Note that
-  // client request of the same key will be overriden.
+  // client request of the same key will be overridden.
   repeated envoy.api.v2.core.HeaderValue headers_to_add = 2;
 }
 
 message AuthorizationResponse {
   // When this :ref:`list <envoy_api_msg_type.matcher.ListStringMatcher>` is set, authorization
   // response headers that have a correspondent match will be added to the original client request.
-  // Note that coexistent headers will be overriden.
+  // Note that coexistent headers will be overridden.
   envoy.type.matcher.ListStringMatcher allowed_upstream_headers = 1;
 
   // When this :ref:`list <envoy_api_msg_type.matcher.ListStringMatcher>`. is set, authorization
@@ -114,7 +114,7 @@ message AuthorizationResponse {
   envoy.type.matcher.ListStringMatcher allowed_client_headers = 2;
 }
 
-// Extra settings on a per virtualhost/route/weighter-cluster level.
+// Extra settings on a per virtualhost/route/weighted-cluster level.
 message ExtAuthzPerRoute {
   oneof override {
     option (validate.required) = true;
diff --git a/envoy/config/filter/network/dubbo_proxy/v2alpha1/route.proto b/envoy/config/filter/network/dubbo_proxy/v2alpha1/route.proto
index 26ee2209..8ac386c3 100644
--- a/envoy/config/filter/network/dubbo_proxy/v2alpha1/route.proto
+++ b/envoy/config/filter/network/dubbo_proxy/v2alpha1/route.proto
@@ -34,7 +34,7 @@ message RouteConfiguration {
 }
 
 message Route {
-  // Route matching prarameters.
+  // Route matching parameters.
   RouteMatch match = 1 [(validate.rules).message.required = true, (gogoproto.nullable) = false];
 
   // Route request to some upstream cluster.
diff --git a/envoy/config/filter/network/http_connection_manager/v2/http_connection_manager.proto b/envoy/config/filter/network/http_connection_manager/v2/http_connection_manager.proto
index ddd2cc7c..28a972ee 100644
--- a/envoy/config/filter/network/http_connection_manager/v2/http_connection_manager.proto
+++ b/envoy/config/filter/network/http_connection_manager/v2/http_connection_manager.proto
@@ -197,7 +197,7 @@ message HttpConnectionManager {
   // during which Envoy will flush the write buffers for the connection and await the peer to close
   // (i.e., a TCP FIN/RST is received by Envoy from the downstream connection).
   //
-  // Delaying Envoy's connection close and giving the peer the opportunity to initate the close
+  // Delaying Envoy's connection close and giving the peer the opportunity to initiate the close
   // sequence mitigates a race condition that exists when downstream clients do not drain/process
   // data in a connection's receive buffer after a remote close has been detected via a socket
   // write(). This race leads to such clients failing to process the response code sent by Envoy,
@@ -364,7 +364,7 @@ message HttpConnectionManager {
     // HTTP connections will be used for this upgrade type.
     repeated HttpFilter filters = 2;
     // Determines if upgrades are enabled or disabled by default. Defaults to true.
-    // This can be overriden on a per-route basis with :ref:`cluster
+    // This can be overridden on a per-route basis with :ref:`cluster
     // <envoy_api_field_route.RouteAction.upgrade_configs>` as documented in the
     // :ref:`upgrade documentation <arch_overview_websocket>`.
     google.protobuf.BoolValue enabled = 3;
diff --git a/envoy/config/filter/network/thrift_proxy/v2alpha1/route.proto b/envoy/config/filter/network/thrift_proxy/v2alpha1/route.proto
index f1d4b457..f8d38fdb 100644
--- a/envoy/config/filter/network/thrift_proxy/v2alpha1/route.proto
+++ b/envoy/config/filter/network/thrift_proxy/v2alpha1/route.proto
@@ -27,7 +27,7 @@ message RouteConfiguration {
 
 // [#comment:next free field: 3]
 message Route {
-  // Route matching prarameters.
+  // Route matching parameters.
   RouteMatch match = 1 [(validate.rules).message.required = true, (gogoproto.nullable) = false];
 
   // Route request to some upstream cluster.
diff --git a/envoy/config/metrics/v2/stats.proto b/envoy/config/metrics/v2/stats.proto
index 0118bccc..63470a5e 100644
--- a/envoy/config/metrics/v2/stats.proto
+++ b/envoy/config/metrics/v2/stats.proto
@@ -323,7 +323,7 @@ message HystrixSink {
   //
   // rolling_window(ms) = stats_flush_interval(ms) * num_of_buckets
   //
-  // More detailed explanation can be found in `Hystix wiki
+  // More detailed explanation can be found in `Hystrix wiki
   // <https://github.com/Netflix/Hystrix/wiki/Metrics-and-Monitoring#hystrixrollingnumber>`_.
   int64 num_buckets = 1;
 }
diff --git a/envoy/service/discovery/v2/hds.proto b/envoy/service/discovery/v2/hds.proto
index 13dd5db4..7dd3e8a9 100644
--- a/envoy/service/discovery/v2/hds.proto
+++ b/envoy/service/discovery/v2/hds.proto
@@ -35,7 +35,7 @@ service HealthDiscoveryService {
   //    it to endpoint(ip:port) of Host 1 and 2. Based on the HealthCheck
   //    configuration Envoy waits upon the arrival of the probe response and
   //    looks at the content of the response to decide whether the endpoint is
-  //    healthy or not. If a response hasn’t been received within the timeout
+  //    healthy or not. If a response hasn't been received within the timeout
   //    interval, the endpoint health status is considered TIMEOUT.
   // 4. Envoy reports results back in an EndpointHealthResponse message.
   //    Envoy streams responses as often as the interval configured by the