diff --git a/src/internal/coverage/pkid.go b/src/internal/coverage/pkid.go
index 2b4ac2ee562..8ddd44d6bbc 100644
--- a/src/internal/coverage/pkid.go
+++ b/src/internal/coverage/pkid.go
@@ -67,7 +67,7 @@ var rtPkgs = [...]string{
 // is not part of the runtime and doesn't require a hard-coded ID.
 const NotHardCoded = -1
 
-// HardCodedPkgId returns the hard-coded ID for the specified package
+// HardCodedPkgID returns the hard-coded ID for the specified package
 // path, or -1 if we don't use a hard-coded ID. Hard-coded IDs start
 // at -2 and decrease as we go down the list.
 func HardCodedPkgID(pkgpath string) int {
diff --git a/src/internal/fuzz/coverage.go b/src/internal/fuzz/coverage.go
index 88f98a16b2e..0d96be2f7a2 100644
--- a/src/internal/fuzz/coverage.go
+++ b/src/internal/fuzz/coverage.go
@@ -9,7 +9,7 @@ import (
 	"math/bits"
 )
 
-// ResetCovereage sets all of the counters for each edge of the instrumented
+// ResetCoverage sets all of the counters for each edge of the instrumented
 // source code to 0.
 func ResetCoverage() {
 	cov := coverage()
diff --git a/src/internal/fuzz/encoding.go b/src/internal/fuzz/encoding.go
index c2eed7045e7..270ef7a1a3a 100644
--- a/src/internal/fuzz/encoding.go
+++ b/src/internal/fuzz/encoding.go
@@ -338,7 +338,7 @@ func parseInt(val, typ string) (any, error) {
 	}
 }
 
-// parseInt returns an unsigned integer of value val and type typ.
+// parseUint returns an unsigned integer of value val and type typ.
 func parseUint(val, typ string) (any, error) {
 	switch typ {
 	case "uint":
diff --git a/src/internal/poll/errno_windows.go b/src/internal/poll/errno_windows.go
index 3679aa8c4c7..63814793fda 100644
--- a/src/internal/poll/errno_windows.go
+++ b/src/internal/poll/errno_windows.go
@@ -15,7 +15,7 @@ var (
 	errERROR_IO_PENDING error = syscall.Errno(syscall.ERROR_IO_PENDING)
 )
 
-// ErrnoErr returns common boxed Errno values, to prevent
+// errnoErr returns common boxed Errno values, to prevent
 // allocations at runtime.
 func errnoErr(e syscall.Errno) error {
 	switch e {
diff --git a/src/internal/profile/filter.go b/src/internal/profile/filter.go
index 9cad866df8c..65e50db99d5 100644
--- a/src/internal/profile/filter.go
+++ b/src/internal/profile/filter.go
@@ -130,7 +130,7 @@ func (p *Profile) FilterSamplesByTag(focus, ignore TagMatch) (fm, im bool) {
 	return
 }
 
-// focusedTag checks a sample against focus and ignore regexps.
+// focusedSample checks a sample against focus and ignore regexps.
 // Returns whether the focus/ignore regexps match any tags
 func focusedSample(s *Sample, focus, ignore TagMatch) (fm, im bool) {
 	fm = focus == nil