diff --git a/src/runtime/mgcmark.go b/src/runtime/mgcmark.go
index a15c62cc49..68acfd4d49 100644
--- a/src/runtime/mgcmark.go
+++ b/src/runtime/mgcmark.go
@@ -1561,7 +1561,7 @@ func gcmarknewobject(span *mspan, obj, size, scanSize uintptr) {
 	if !goexperiment.PacerRedesign {
 		// The old pacer counts newly allocated memory toward
 		// heapScanWork because heapScan is continuously updated
-		// throughout the GC cyle with newly allocated memory. However,
+		// throughout the GC cycle with newly allocated memory. However,
 		// these objects are never actually scanned, so we need
 		// to account for them in heapScanWork here, "faking" their work.
 		// Otherwise the pacer will think it's always behind, potentially