diff --git a/backend/api/experiment.proto b/backend/api/experiment.proto
index 841f90d27cb..ab5f8e4e9f3 100644
--- a/backend/api/experiment.proto
+++ b/backend/api/experiment.proto
@@ -58,6 +58,7 @@ option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
 };
 
 service ExperimentService {
+  //Create a new experiment.
   rpc CreateExperiment(CreateExperimentRequest) returns (Experiment) {
     option (google.api.http) = {
       post: "/apis/v1beta1/experiments"
@@ -65,18 +66,21 @@ service ExperimentService {
     };
   }
 
+  //Find a specific experiment by ID.
   rpc GetExperiment(GetExperimentRequest) returns (Experiment) {
     option (google.api.http) = {
       get: "/apis/v1beta1/experiments/{id}"
     };
   }
 
+  //Find all experiments.
   rpc ListExperiment(ListExperimentsRequest) returns (ListExperimentsResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/experiments"
     };
   }
 
+  //Delete an experiment.
   rpc DeleteExperiment(DeleteExperimentRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/apis/v1beta1/experiments/{id}"
@@ -85,12 +89,12 @@ service ExperimentService {
 }
 
 message CreateExperimentRequest {
-  // The experiment to be created
+  // The experiment to be created.
   Experiment experiment = 1;
 }
 
 message GetExperimentRequest {
-  // The ID of the experiment to be retrieved
+  // The ID of the experiment to be retrieved.
   string id = 1;
 }
 
diff --git a/backend/api/job.proto b/backend/api/job.proto
index c1dc076d593..5f52388856a 100644
--- a/backend/api/job.proto
+++ b/backend/api/job.proto
@@ -61,7 +61,9 @@ option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
   }
 };
 
+
 service JobService {
+  //Create a new job.
   rpc CreateJob(CreateJobRequest) returns (Job) {
     option (google.api.http) = {
       post: "/apis/v1beta1/jobs"
@@ -69,30 +71,35 @@ service JobService {
     };
   }
 
+  //Find a specific job by ID.
   rpc GetJob(GetJobRequest) returns (Job) {
     option (google.api.http) = {
       get: "/apis/v1beta1/jobs/{id}"
     };
   }
 
+  //Find all jobs.
   rpc ListJobs(ListJobsRequest) returns (ListJobsResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/jobs"
     };
   }
 
+  //Enable a job.
   rpc EnableJob(EnableJobRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/jobs/{id}/enable"
     };
   }
 
+  //Disable a job.
   rpc DisableJob(DisableJobRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/jobs/{id}/disable"
     };
   }
 
+  //Delete a job.
   rpc DeleteJob(DeleteJobRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/apis/v1beta1/jobs/{id}"
@@ -114,7 +121,7 @@ message ListJobsRequest {
   string page_token = 1;
   int32 page_size = 2;
 
-  // Can be format of "field_name", "field_name asc" or "field_name des"
+  // Can be format of "field_name", "field_name asc" or "field_name des".
   // Ascending by default.
   string sort_by = 3;
 
diff --git a/backend/api/pipeline.proto b/backend/api/pipeline.proto
index d47385ee53c..c5a9eb33a30 100644
--- a/backend/api/pipeline.proto
+++ b/backend/api/pipeline.proto
@@ -61,6 +61,7 @@ option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
 };
 
 service PipelineService {
+  //Add a pipeline.
   rpc CreatePipeline(CreatePipelineRequest) returns (Pipeline) {
     option (google.api.http) = {
       post: "/apis/v1beta1/pipelines"
@@ -68,24 +69,28 @@ service PipelineService {
     };
   }
 
+  //Find a specific pipeline by ID.
   rpc GetPipeline(GetPipelineRequest) returns (Pipeline) {
     option (google.api.http) = {
       get: "/apis/v1beta1/pipelines/{id}"
     };
   }
 
+  //Find all pipelines.
   rpc ListPipelines(ListPipelinesRequest) returns (ListPipelinesResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/pipelines"
     };
   }
 
+  //Delete a pipeline.
   rpc DeletePipeline(DeletePipelineRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/apis/v1beta1/pipelines/{id}"
     };
   }
 
+  //Get a YAML template for the selected pipeline.
   rpc GetTemplate(GetTemplateRequest) returns (GetTemplateResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/pipelines/{id}/templates"
diff --git a/backend/api/run.proto b/backend/api/run.proto
index 2f01172b5c2..986ab7f4176 100644
--- a/backend/api/run.proto
+++ b/backend/api/run.proto
@@ -59,9 +59,9 @@ option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
   }
 };
 
-//Initiate a run.
+
 service RunService {
-  // Creates a new run.
+  //Create a new run.
   rpc CreateRun(CreateRunRequest) returns (RunDetail) {
     option (google.api.http) = {
       post: "/apis/v1beta1/runs"
@@ -69,35 +69,35 @@ service RunService {
     };
   }
 
-  //Finds a specific run by ID.
+  //Find a specific run by ID.
   rpc GetRun(GetRunRequest) returns (RunDetail) {
     option (google.api.http) = {
       get: "/apis/v1beta1/runs/{run_id}"
     };
   }
 
-  //Finds all runs.
+  //Find all runs.
   rpc ListRuns(ListRunsRequest) returns (ListRunsResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/runs"
     };
   }
 
-  //Archives a run.
+  //Archive a run.
   rpc ArchiveRun(ArchiveRunRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/runs/{id}:archive"
     };
   }
 
-  //Restores an archived run.
+  //Restore an archived run.
   rpc UnarchiveRun(UnarchiveRunRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/runs/{id}:unarchive"
     };
   }
 
-  //Deletes a run.
+  //Delete a run.
   rpc DeleteRun(DeleteRunRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/apis/v1beta1/runs/{id}"
@@ -116,21 +116,21 @@ service RunService {
     };
   }
 
-  //Finds a run's artifact data.
+  //Find a run's artifact data.
   rpc ReadArtifact(ReadArtifactRequest) returns (ReadArtifactResponse) {
     option (google.api.http) = {
       get: "/apis/v1beta1/runs/{run_id}/nodes/{node_id}/artifacts/{artifact_name}:read"
     };
   }
 
-  //Terminates an active run.
+  //Terminate an active run.
   rpc TerminateRun(TerminateRunRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/runs/{run_id}/terminate"
     };
   }
 
-  //Re-initiates a failed or terminated run.
+  //Re-initiate a failed or terminated run.
   rpc RetryRun(RetryRunRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/apis/v1beta1/runs/{run_id}/retry"