diff --git a/internal/gocore/process.go b/internal/gocore/process.go
index 52853d5..bbedd02 100644
--- a/internal/gocore/process.go
+++ b/internal/gocore/process.go
@@ -164,7 +164,7 @@
 	// changes, making the difference difficult to detect. As a workaround,
 	// we check on the version explicitly.
 	//
-	// Go 1.17 added runtime._func.flag, so use that as a sentinal for this
+	// Go 1.17 added runtime._func.flag, so use that as a sentinel for this
 	// version.
 	p.is117OrGreater = p.findType("runtime._func").HasField("flag")
 
diff --git a/internal/gocore/type.go b/internal/gocore/type.go
index 84c4769..8da78bf 100644
--- a/internal/gocore/type.go
+++ b/internal/gocore/type.go
@@ -206,7 +206,7 @@
 	if d != 0 && len(candidates) > 1 && !ifaceIndir(a, p) {
 		ptr := p.proc.ReadPtr(d)
 		obj, off := p.FindObject(ptr)
-		// only usefull while it point to the head of an object,
+		// only useful while it point to the head of an object,
 		// otherwise, the GC object size should bigger than the size of the type.
 		if obj != 0 && off == 0 {
 			sz := p.Size(obj)