diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdcebdfe..f1ef2f96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -158,7 +158,7 @@ Adds support for canary and blue/green [traffic mirroring](https://docs.flagger.
 
 #### Improvements 
 
-- Allow gPRC protocol for App Mesh [#325](https://github.com/weaveworks/flagger/pull/325)
+- Allow gRPC protocol for App Mesh [#325](https://github.com/weaveworks/flagger/pull/325)
 - Enforce blue/green when using Kubernetes networking [#326](https://github.com/weaveworks/flagger/pull/326)
 
 #### Fixes
@@ -209,7 +209,7 @@ Adds support for NGINX custom annotations and Helm v3 acceptance testing
 - Add annotations prefix for NGINX ingresses [#293](https://github.com/weaveworks/flagger/pull/293)
 - Add wide columns in CRD [#289](https://github.com/weaveworks/flagger/pull/289)
 - loadtester: implement Helm v3 test command [#296](https://github.com/weaveworks/flagger/pull/296)
-- loadtester: add gPRC health check to load tester image [#295](https://github.com/weaveworks/flagger/pull/295)
+- loadtester: add gRPC health check to load tester image [#295](https://github.com/weaveworks/flagger/pull/295)
 
 #### Fixes
 
diff --git a/docs/gitbook/usage/how-it-works.md b/docs/gitbook/usage/how-it-works.md
index ba1bd998..1b247074 100644
--- a/docs/gitbook/usage/how-it-works.md
+++ b/docs/gitbook/usage/how-it-works.md
@@ -131,7 +131,7 @@ spec:
 The container port from the target workload should match the `service.port` or `service.targetPort`.
 The `service.name` is optional, defaults to `spec.targetRef.name`.
 The `service.targetPort` can be a container port number or name.
-The `service.portName` is optional (defaults to `http`), if your workload uses gPRC then set the port name to `grcp`.
+The `service.portName` is optional (defaults to `http`), if your workload uses gRPC then set the port name to `grpc`.
 
 If port discovery is enabled, Flagger scans the target workload and extracts the containers 
 ports excluding the port specified in the canary service and service mesh sidecar ports. 
diff --git a/docs/gitbook/usage/metrics.md b/docs/gitbook/usage/metrics.md
index 9c9e4bd2..4896da1b 100644
--- a/docs/gitbook/usage/metrics.md
+++ b/docs/gitbook/usage/metrics.md
@@ -170,7 +170,7 @@ spec:
     ) * 100
 ```
 
-The above template is for gPRC services instrumented with [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus).
+The above template is for gRPC services instrumented with [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus).
 
 ### Datadog
 
diff --git a/docs/gitbook/usage/webhooks.md b/docs/gitbook/usage/webhooks.md
index 288ed19b..c9224283 100644
--- a/docs/gitbook/usage/webhooks.md
+++ b/docs/gitbook/usage/webhooks.md
@@ -166,7 +166,7 @@ webhooks:
       cmd: "hey -z 1m -q 10 -c 2 -h2 https://podinfo.example.com/"
 ```
 
-For gRPC services you can use [bojand/ghz](https://github.com/bojand/ghz) which is a similar tool to Hey but for gPRC:
+For gRPC services you can use [bojand/ghz](https://github.com/bojand/ghz) which is a similar tool to Hey but for gRPC:
 
 ```yaml
 webhooks:
diff --git a/test/README.md b/test/README.md
index 9126c6b5..d595d847 100644
--- a/test/README.md
+++ b/test/README.md
@@ -32,7 +32,7 @@ The e2e testing infrastructure is powered by CircleCI and [Kubernetes Kind](http
 * deploy the load tester in the test namespace [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
 * deploy a demo workload (podinfo) in the test namespace [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
 * test the canary initialization with port discovery enabled and service target port [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
-* test the canary analysis and promotion using gPRC acceptance tests and HTTP load tests [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
+* test the canary analysis and promotion using gRPC acceptance tests and HTTP load tests [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
 * test the canary rollback on HTTP 500 errors [e2e-linkerd-tests.sh](e2e-linkerd-tests.sh)
 
 ### CircleCI e2e NGINX ingress workflow