diff --git a/cmd/bent/bent.go b/cmd/bent/bent.go
index 72e8e97..d4de8dd 100644
--- a/cmd/bent/bent.go
+++ b/cmd/bent/bent.go
@@ -1300,7 +1300,7 @@
 	return newenv
 }
 
-// replaceEnv returns a new environment derived from env
+// replaceEnvs returns a new environment derived from env
 // by replacing or adding all modifiers in newevs.
 func replaceEnvs(env, newevs []string) []string {
 	for _, e := range newevs {
@@ -1344,7 +1344,7 @@
 	return env
 }
 
-// csToset converts a comma-separated string into the set of strings between the commas.
+// csToSet converts a comma-separated string into the set of strings between the commas.
 func csToSet(s string) map[string]bool {
 	if s == "" {
 		return nil
diff --git a/stats/edmx.go b/stats/edmx.go
index 2e43d05..5168d33 100644
--- a/stats/edmx.go
+++ b/stats/edmx.go
@@ -117,7 +117,7 @@
 	return edmx(c, delta)
 }
 
-// EMDXInt runs the EDM-X algorithm on a slice of integer datapoints.
+// EDMXInt runs the EDM-X algorithm on a slice of integer datapoints.
 func EDMXInt(input []int, delta int) int {
 	return edmx(toFloat(input), delta)
 }
diff --git a/third_party/bleve-bench/mapping.go b/third_party/bleve-bench/mapping.go
index 2e8fa73..a7fdf49 100644
--- a/third_party/bleve-bench/mapping.go
+++ b/third_party/bleve-bench/mapping.go
@@ -26,7 +26,7 @@
 	"github.com/blevesearch/bleve/mapping"
 )
 
-// articleMapping returns a mapping for indexing wikipedia articles
+// ArticleMapping returns a mapping for indexing wikipedia articles
 // in a manner similar to that done by the Apache Lucene nightly
 // benchmarks.
 func ArticleMapping() mapping.IndexMapping {