diff --git a/go.mod b/go.mod
index c4d0c70..2779989 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	cloud.google.com/go v0.110.8
-	github.com/alecthomas/kong v0.8.0
+	github.com/alecthomas/kong v0.7.1
 	github.com/jotaen/genie v0.0.1
 	github.com/jotaen/kong-completion v0.0.5
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
diff --git a/go.sum b/go.sum
index 9316a45..ef3f837 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ cloud.google.com/go v0.110.8 h1:tyNdfIxjzaWctIiLYOTalaLKZ17SI44SKFW26QbOhME=
 cloud.google.com/go v0.110.8/go.mod h1:Iz8AkXJf1qmxC3Oxoep8R1T36w8B92yU29PcBhHO5fk=
 github.com/alecthomas/assert/v2 v2.1.0 h1:tbredtNcQnoSd3QBhQWI7QZ3XHOVkw1Moklp2ojoH/0=
 github.com/alecthomas/assert/v2 v2.1.0/go.mod h1:b/+1DI2Q6NckYi+3mXyH3wFb8qG37K/DuK80n7WefXA=
-github.com/alecthomas/kong v0.8.0 h1:ryDCzutfIqJPnNn0omnrgHLbAggDQM2VWHikE1xqK7s=
-github.com/alecthomas/kong v0.8.0/go.mod h1:n1iCIO2xS46oE8ZfYCNDqdR0b0wZNrXAIAqro/2132U=
+github.com/alecthomas/kong v0.7.1 h1:azoTh0IOfwlAX3qN9sHWTxACE2oV8Bg2gAwBsMwDQY4=
+github.com/alecthomas/kong v0.7.1/go.mod h1:n1iCIO2xS46oE8ZfYCNDqdR0b0wZNrXAIAqro/2132U=
 github.com/alecthomas/repr v0.1.0 h1:ENn2e1+J3k09gyj2shc0dHr/yjaWSHRlrJ4DPMevDqE=
 github.com/alecthomas/repr v0.1.0/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/klog/app/cli/main/cli_test.go b/klog/app/cli/main/cli_test.go
index 69247e3..7d87f29 100644
--- a/klog/app/cli/main/cli_test.go
+++ b/klog/app/cli/main/cli_test.go
@@ -23,6 +23,28 @@ func TestHandleInputFiles(t *testing.T) {
 	assert.True(t, strings.Contains(out[1], "#foo 2h"), out)
 }
 
+func TestPrintAppErrors(t *testing.T) {
+	out := (&Env{
+		files: map[string]string{
+			"invalid.klg": "2020-01-01asdf",
+			"valid.klg":   "2020-01-01",
+		},
+	}).run(
+		[]string{"print", "invalid.klg"},
+		[]string{"start", "valid.klg"},
+		[]string{"start", "valid.klg"},
+	)
+	// Out 0 should contain pretty-printed parsing errors.
+	assert.True(t, strings.Contains(out[0], "ERROR in line 1:"), out)
+	assert.True(t, strings.Contains(out[0], "2020-01-01asdf"), out)
+	assert.True(t, strings.Contains(out[0], "^^^^^^^^^^^^^^"), out)
+	assert.True(t, strings.Contains(out[0], "Invalid date"), out)
+	// Out 1 should go through without errors.
+	// Out 2 should then display logical error, since there is an open-range already.
+	assert.True(t, strings.Contains(out[2], "Error: Manipulation failed"), out)
+	assert.True(t, strings.Contains(out[2], "There is already an open range in this record"), out)
+}
+
 func TestBookmarkFile(t *testing.T) {
 	klog := &Env{
 		files: map[string]string{
diff --git a/klog/app/cli/main/testutil_test.go b/klog/app/cli/main/testutil_test.go
index 2fcd815..54fe8f5 100644
--- a/klog/app/cli/main/testutil_test.go
+++ b/klog/app/cli/main/testutil_test.go
@@ -2,6 +2,7 @@ package klog
 
 import (
 	"github.com/jotaen/klog/klog/app"
+	"github.com/jotaen/klog/klog/app/cli/lib"
 	"github.com/jotaen/klog/klog/app/cli/lib/terminalformat"
 	"io"
 	"os"
@@ -42,7 +43,7 @@ func (e *Env) run(invocation ...[]string) []string {
 
 		_ = w.Close()
 		if runErr != nil {
-			outs[i] = runErr.Error()
+			outs[i] = lib.PrettifyError(runErr, false).Error()
 			continue
 		}
 		out, _ := io.ReadAll(r)
diff --git a/klog/app/error.go b/klog/app/error.go
index 2608d5d..a106bad 100644
--- a/klog/app/error.go
+++ b/klog/app/error.go
@@ -98,11 +98,11 @@ func NewParserErrors(errs []txt.Error) ParserErrors {
 }
 
 func (pe parserErrors) Error() string {
-	return fmt.Sprintf("%d parsing errors", len(pe.errors))
+	return fmt.Sprintf("%d parsing error(s)", len(pe.errors))
 }
 
 func (pe parserErrors) Details() string {
-	return fmt.Sprintf("%d parsing errors", len(pe.errors))
+	return fmt.Sprintf("%d parsing error(s)", len(pe.errors))
 }
 
 func (pe parserErrors) Original() error {