diff --git a/src/cmd/compile/internal/ir/expr.go b/src/cmd/compile/internal/ir/expr.go
index cea7c446d4a..ca2a2d50080 100644
--- a/src/cmd/compile/internal/ir/expr.go
+++ b/src/cmd/compile/internal/ir/expr.go
@@ -54,7 +54,7 @@ func (n *miniExpr) Init() Nodes           { return n.init }
 func (n *miniExpr) PtrInit() *Nodes       { return &n.init }
 func (n *miniExpr) SetInit(x Nodes)       { n.init = x }
 
-// An AddStringExpr is a string concatenation Expr[0] + Exprs[1] + ... + Expr[len(Expr)-1].
+// An AddStringExpr is a string concatenation List[0] + List[1] + ... + List[len(List)-1].
 type AddStringExpr struct {
 	miniExpr
 	List     Nodes
diff --git a/src/cmd/compile/internal/ir/func.go b/src/cmd/compile/internal/ir/func.go
index c28761255f3..303c5e4fd0e 100644
--- a/src/cmd/compile/internal/ir/func.go
+++ b/src/cmd/compile/internal/ir/func.go
@@ -126,7 +126,7 @@ type Func struct {
 	NumDefers  int32 // number of defer calls in the function
 	NumReturns int32 // number of explicit returns in the function
 
-	// nwbrCalls records the LSyms of functions called by this
+	// NWBRCalls records the LSyms of functions called by this
 	// function for go:nowritebarrierrec analysis. Only filled in
 	// if nowritebarrierrecCheck != nil.
 	NWBRCalls *[]SymAndPos