diff --git a/bar.go b/bar.go
index 80a6f74..dd244ff 100644
--- a/bar.go
+++ b/bar.go
@@ -38,7 +38,7 @@
 	done         chan struct{}
 	shutdown     chan struct{}
 
-	// it's guaranted that cacheState isn't nil, after done channel is closed
+	// it's guaranteed that cacheState isn't nil, after done is closed
 	cacheState *bState
 }
 
diff --git a/progress.go b/progress.go
index 2157b24..e7ab8c6 100644
--- a/progress.go
+++ b/progress.go
@@ -130,7 +130,7 @@
 
 // Wait first waits for all bars to complete, then waits for user provided WaitGroup, if any.
 // It's optional to call, in other words if you don't call Progress.Wait(),
-// it's not guaranted that all bars will be flushed completely to the underlying io.Writer.
+// it's not guaranteed that all bars will be flushed completely to the underlying io.Writer.
 func (p *Progress) Wait() {
 	<-p.done
 }