fix: typos in comments (#10)

internal/config/config.go

@@ -6,7 +6,7 @@ import (
 	"sort"
 )
 
-// A Config describes application cofig.
+// A Config describes application config.
 type Config struct {
 	PoolSize int   `json:"pool_size"`
 	Verbose  bool  `json:"verbose"`

internal/engine/docker.go

@@ -209,7 +209,7 @@ func (e *Docker) exec(box *config.Box, step *config.Step, req Request, dir strin
 
 	if err.Error() == "signal: killed" {
 		if step.Action == actionRun {
-			// we have to "docker kill" the container here, because the proccess
+			// we have to "docker kill" the container here, because the process
 			// inside the container is not related to the "docker run" process,
 			// and will hang forever after the "docker run" process is killed
 			go func() {

internal/engine/engine.go

@@ -63,7 +63,7 @@ func (err ExecutionError) Unwrap() error {
 }
 
 // An ArgumentError is returned if code execution failed
-// due to the invalid value of the request agrument.
+// due to the invalid value of the request argument.
 type ArgumentError struct {
 	name   string
 	reason error

internal/logx/memory.go

@@ -62,7 +62,7 @@ func (m *Memory) MustNotHave(t *testing.T, message ...string) {
 	}
 }
 
-// Clear cleares the memory.
+// Clear clears the memory.
 func (m *Memory) Clear() {
 	m.Lines = []string{}
 }

internal/sandbox/config.go

@@ -20,7 +20,7 @@ var engineConstr = map[string]func(*config.Config, string, string) engine.Engine
 }
 
 // engines is the registry of command executors.
-// Each engine executes a specific command in a specifix sandbox.
+// Each engine executes a specific command in a specific sandbox.
 // sandbox : command : engine
 // TODO: Maybe it's better to create a single instance of each engine
 // and pass the sandbox and command as arguments to the Exec.