diff --git a/internal/collector/collector.go b/internal/collector/collector.go
index 9b1fbb4..726b386 100644
--- a/internal/collector/collector.go
+++ b/internal/collector/collector.go
@@ -26,6 +26,7 @@ type Collector struct {
 	ExitCodeMetrics map[string]*promhelper.TypedDesc // map of task name to its exit code metric
 }
 
+// New returns a new Collector.
 func New(maxFailures int) *Collector {
 	return &Collector{
 		MaxFailures:     maxFailures,
@@ -35,6 +36,7 @@ func New(maxFailures int) *Collector {
 	}
 }
 
+// AddTask adds a Task to the Collector along with its corresponding exit code TypedDesc.
 func (c *Collector) AddTask(shouldAdd bool, task Task, exitCode *promhelper.TypedDesc) {
 	if shouldAdd {
 		c.Tasks[task.Name()] = task
diff --git a/internal/collector/dispersion/dispersion.go b/internal/collector/dispersion/dispersion.go
index f104809..fe10607 100644
--- a/internal/collector/dispersion/dispersion.go
+++ b/internal/collector/dispersion/dispersion.go
@@ -29,6 +29,7 @@ import (
 	"github.com/sapcc/swift-health-exporter/internal/util"
 )
 
+// GetTaskExitCodeTypedDesc returns a TypedDesc for use with dispersion report tasks.
 func GetTaskExitCodeTypedDesc(r prometheus.Registerer) *promhelper.TypedDesc {
 	taskExitCodeGaugeVec := prometheus.NewGaugeVec(
 		prometheus.GaugeOpts{
diff --git a/internal/collector/recon/recon.go b/internal/collector/recon/recon.go
index 7ddbe79..1062840 100644
--- a/internal/collector/recon/recon.go
+++ b/internal/collector/recon/recon.go
@@ -25,12 +25,14 @@ import (
 // This value is overwritten in unit tests.
 var isTest = false
 
+// TaskOpts holds common parameters that are used by all recon tasks.
 type TaskOpts struct {
 	PathToExecutable string
 	HostTimeout      int
 	CtxTimeout       time.Duration
 }
 
+// GetTaskExitCodeTypedDesc returns a TypedDesc for use with recon tasks.
 func GetTaskExitCodeTypedDesc(r prometheus.Registerer) *promhelper.TypedDesc {
 	taskExitCodeGaugeVec := prometheus.NewGaugeVec(
 		prometheus.GaugeOpts{