diff --git a/prometheus/registry.go b/prometheus/registry.go
index b5e70b9..f2fb67a 100644
--- a/prometheus/registry.go
+++ b/prometheus/registry.go
@@ -680,7 +680,7 @@ func processMetric(
 // Gatherers is a slice of Gatherer instances that implements the Gatherer
 // interface itself. Its Gather method calls Gather on all Gatherers in the
 // slice in order and returns the merged results. Errors returned from the
-// Gather calles are all returned in a flattened MultiError. Duplicate and
+// Gather calls are all returned in a flattened MultiError. Duplicate and
 // inconsistent Metrics are skipped (first occurrence in slice order wins) and
 // reported in the returned error.
 //