diff --git a/internal/database/reflect.go b/internal/database/reflect.go
index 1d52438..5355792 100644
--- a/internal/database/reflect.go
+++ b/internal/database/reflect.go
@@ -83,7 +83,7 @@
 }
 
 // NullPtr is for scanning nullable database columns into pointer variables or
-// fields. When given a pointer to to a pointer to some type T, it returns a
+// fields. When given a pointer to a pointer to some type T, it returns a
 // value that can be passed to a Scan function. If the corresponding column is
 // nil, the variable will be set to nil. Otherwise, it will be set to a newly
 // allocated pointer to the column value.
diff --git a/internal/frontend/header.go b/internal/frontend/header.go
index b2fc031..4e345f8 100644
--- a/internal/frontend/header.go
+++ b/internal/frontend/header.go
@@ -96,7 +96,7 @@
 	return base
 }
 
-// absoluteTime takes a date and returns returns a human-readable,
+// absoluteTime takes a date and returns a human-readable,
 // date with the format mmm d, yyyy.
 func absoluteTime(date time.Time) string {
 	if date.IsZero() {
diff --git a/internal/frontend/paginate.go b/internal/frontend/paginate.go
index 4379c19..919da92 100644
--- a/internal/frontend/paginate.go
+++ b/internal/frontend/paginate.go
@@ -159,7 +159,7 @@
 	return page - 1
 }
 
-// next returns the number of the page after the given page, or zero if page is is the last page or larger.
+// next returns the number of the page after the given page, or zero if page is the last page or larger.
 // limit and totalCount are used to calculate the last page (see numPages).
 func next(page, limit, totalCount int) int {
 	if page >= numPages(limit, totalCount) {
diff --git a/internal/frontend/search.go b/internal/frontend/search.go
index 28f168b..2ff7833 100644
--- a/internal/frontend/search.go
+++ b/internal/frontend/search.go
@@ -540,7 +540,7 @@
 	return unicode.IsUpper(rune(s[0]))
 }
 
-// elapsedTime takes a date and returns returns human-readable,
+// elapsedTime takes a date and returns human-readable,
 // relative timestamps based on the following rules:
 // (1) 'X hours ago' when X < 6
 // (2) 'today' between 6 hours and 1 day ago
diff --git a/internal/middleware/caching.go b/internal/middleware/caching.go
index b8f75bc..4ef5e87 100644
--- a/internal/middleware/caching.go
+++ b/internal/middleware/caching.go
@@ -37,7 +37,7 @@
 	)
 	cacheLatency = stats.Float64(
 		"go-discovery/cache/result_latency",
-		"Cache serving latency latency",
+		"Cache serving latency",
 		stats.UnitMilliseconds,
 	)
 	cacheErrors = stats.Int64(
diff --git a/internal/postgres/search.go b/internal/postgres/search.go
index 5e01323..e1a7fad 100644
--- a/internal/postgres/search.go
+++ b/internal/postgres/search.go
@@ -75,7 +75,7 @@
 type searchEvent struct {
 	// Type is either the searcher name or 'estimate' (the count estimate).
 	Type string
-	// Latency is the duration that that the operation took.
+	// Latency is the duration that the operation took.
 	Latency time.Duration
 	// Err is the error returned by the operation, if any.
 	Err error
diff --git a/internal/postgres/symbolsearch.go b/internal/postgres/symbolsearch.go
index 478a3ab..a89118a 100644
--- a/internal/postgres/symbolsearch.go
+++ b/internal/postgres/symbolsearch.go
@@ -229,7 +229,7 @@
 		if strings.Contains(w, "/") || strings.Contains(w, "-") || commonHostnames[w] {
 			continue
 		}
-		// A symbolFilter was used, and this word does not match match it, so
+		// A symbolFilter was used, and this word does not match it, so
 		// it can't be the symbol name.
 		if symbolFilter != "" && w != symbolFilter {
 			continue
diff --git a/internal/static/config.go b/internal/static/config.go
index 369a043..087ce46 100644
--- a/internal/static/config.go
+++ b/internal/static/config.go
@@ -5,7 +5,7 @@
 package static
 
 type Config struct {
-	// Entrypoint is a directory in which to to build TypeScript
+	// Entrypoint is a directory in which to build TypeScript
 	// sources.
 	EntryPoint string
 
diff --git a/internal/stdlib/stdlib.go b/internal/stdlib/stdlib.go
index b11a0a8..d070a28 100644
--- a/internal/stdlib/stdlib.go
+++ b/internal/stdlib/stdlib.go
@@ -388,7 +388,7 @@
 // semantic version for the branch.
 //
 // ContentDir reads the standard library at the Go repository tag corresponding
-// to to the given semantic version.
+// to the given semantic version.
 //
 // ContentDir ignores go.mod files in the standard library, treating it as if it
 // were a single module named "std" at the given version.
diff --git a/internal/symbol/apigodoc.go b/internal/symbol/apigodoc.go
index 094b897..1eb9736 100644
--- a/internal/symbol/apigodoc.go
+++ b/internal/symbol/apigodoc.go
@@ -115,7 +115,7 @@
 	structName string // for struct fields, the outer struct name
 }
 
-// versionParser parses $GOROOT/api/go*.txt files and stores them in in its rows field.
+// versionParser parses $GOROOT/api/go*.txt files and stores them in its rows field.
 type versionParser struct {
 	res apiVersions // initialized lazily
 }
diff --git a/internal/vuln/vulns.go b/internal/vuln/vulns.go
index 38c031f..2ced671 100644
--- a/internal/vuln/vulns.go
+++ b/internal/vuln/vulns.go
@@ -107,7 +107,7 @@
 		for _, v := range r.Events {
 			if v.Introduced != "" {
 				// We expected Introduced and Fixed to alternate, but if
-				// p.intro != "", then they they don't.
+				// p.intro != "", then they don't.
 				// Keep going in that case, ignoring the first Introduced.
 				p.intro = v.Introduced
 				if p.intro == "0" {