9 files changed, 9 insertions, 14 deletions
diff --git a/commands/account/next-folder.go b/commands/account/next-folder.go
index 6a22772..037cd31 100644
--- a/commands/account/next-folder.go
+++ b/commands/account/next-folder.go
@@ -49,5 +49,5 @@ func (NextPrevFolder) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func nextPrevFolderUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s [n]", cmd))
+	return fmt.Errorf("Usage: %s [n]", cmd)
 }
diff --git a/commands/account/next-result.go b/commands/account/next-result.go
index ab050af..78d437d 100644
--- a/commands/account/next-result.go
+++ b/commands/account/next-result.go
@@ -46,5 +46,5 @@ func (NextPrevResult) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func nextPrevResultUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s [<n>[%%]]", cmd))
+	return fmt.Errorf("Usage: %s [<n>[%%]]", cmd)
 }
diff --git a/commands/account/next.go b/commands/account/next.go
index 604dcd7..e1d3eeb 100644
--- a/commands/account/next.go
+++ b/commands/account/next.go
@@ -78,5 +78,5 @@ func ExecuteNextPrevMessage(args []string, acct *widgets.AccountView, pct bool,
 }
 
 func nextPrevMessageUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s [<n>[%%]]", cmd))
+	return fmt.Errorf("Usage: %s [<n>[%%]]", cmd)
 }
diff --git a/commands/compose/next-field.go b/commands/compose/next-field.go
index 43ae644..a81852e 100644
--- a/commands/compose/next-field.go
+++ b/commands/compose/next-field.go
@@ -1,7 +1,6 @@
 package compose
 
 import (
-	"errors"
 	"fmt"
 
 	"git.sr.ht/~sircmpwn/aerc/widgets"
@@ -35,5 +34,5 @@ func (NextPrevField) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func nextPrevFieldUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s", cmd))
+	return fmt.Errorf("Usage: %s", cmd)
 }
diff --git a/commands/ct.go b/commands/ct.go
index f84e8a9..3cae0bd 100644
--- a/commands/ct.go
+++ b/commands/ct.go
@@ -34,7 +34,7 @@ func (ChangeTab) Complete(aerc *widgets.Aerc, args []string) []string {
 
 func (ChangeTab) Execute(aerc *widgets.Aerc, args []string) error {
 	if len(args) != 2 {
-		return errors.New(fmt.Sprintf("Usage: %s <tab>", args[0]))
+		return fmt.Errorf("Usage: %s <tab>", args[0])
 	}
 	if args[1] == "-" {
 		ok := aerc.SelectPreviousTab()
diff --git a/commands/msgview/next-part.go b/commands/msgview/next-part.go
index c9423cc..a98e96a 100644
--- a/commands/msgview/next-part.go
+++ b/commands/msgview/next-part.go
@@ -1,7 +1,6 @@
 package msgview
 
 import (
-	"errors"
 	"fmt"
 	"strconv"
 
@@ -48,5 +47,5 @@ func (NextPrevPart) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func nextPrevPartUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s [n]", cmd))
+	return fmt.Errorf("Usage: %s [n]", cmd)
 }
diff --git a/commands/msgview/toggle-headers.go b/commands/msgview/toggle-headers.go
index f13e27d..e777d9b 100644
--- a/commands/msgview/toggle-headers.go
+++ b/commands/msgview/toggle-headers.go
@@ -1,7 +1,6 @@
 package msgview
 
 import (
-	"errors"
 	"fmt"
 
 	"git.sr.ht/~sircmpwn/aerc/widgets"
@@ -31,5 +30,5 @@ func (ToggleHeaders) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func toggleHeadersUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s", cmd))
+	return fmt.Errorf("Usage: %s", cmd)
 }
diff --git a/commands/next-tab.go b/commands/next-tab.go
index 5af8692..fc668f1 100644
--- a/commands/next-tab.go
+++ b/commands/next-tab.go
@@ -1,7 +1,6 @@
 package commands
 
 import (
-	"errors"
 	"fmt"
 	"strconv"
 
@@ -47,5 +46,5 @@ func (NextPrevTab) Execute(aerc *widgets.Aerc, args []string) error {
 }
 
 func nextPrevTabUsage(cmd string) error {
-	return errors.New(fmt.Sprintf("Usage: %s [n]", cmd))
+	return fmt.Errorf("Usage: %s [n]", cmd)
 }
diff --git a/commands/prompt.go b/commands/prompt.go
index fe152c8..2d6d01d 100644
--- a/commands/prompt.go
+++ b/commands/prompt.go
@@ -1,7 +1,6 @@
 package commands
 
 import (
-	"errors"
 	"fmt"
 
 	"git.sr.ht/~sircmpwn/aerc/widgets"
@@ -23,7 +22,7 @@ func (Prompt) Complete(aerc *widgets.Aerc, args []string) []string {
 
 func (Prompt) Execute(aerc *widgets.Aerc, args []string) error {
 	if len(args) < 3 {
-		return errors.New(fmt.Sprintf("Usage: %s <prompt> <cmd>", args[0]))
+		return fmt.Errorf("Usage: %s <prompt> <cmd>", args[0])
 	}
 
 	prompt := args[1]