diff --git a/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/amd/mapRootSourceRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/amd/mapRootSourceRootWithNoSourceMapOption.errors.txt
index 4f41f7523d7..0d3528b6dc3 100644
--- a/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/amd/mapRootSourceRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/amd/mapRootSourceRootWithNoSourceMapOption.errors.txt
@@ -1,9 +1,9 @@
-error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
-error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
+error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
-!!! error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+!!! error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
+!!! error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {
diff --git a/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/node/mapRootSourceRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/node/mapRootSourceRootWithNoSourceMapOption.errors.txt
index 4f41f7523d7..0d3528b6dc3 100644
--- a/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/node/mapRootSourceRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/mapRootSourceRootWithNoSourceMapOption/node/mapRootSourceRootWithNoSourceMapOption.errors.txt
@@ -1,9 +1,9 @@
-error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
-error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
+error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
-!!! error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+!!! error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
+!!! error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {
diff --git a/tests/baselines/reference/project/mapRootWithNoSourceMapOption/amd/mapRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/mapRootWithNoSourceMapOption/amd/mapRootWithNoSourceMapOption.errors.txt
index de6de5ecfc6..01a3526196c 100644
--- a/tests/baselines/reference/project/mapRootWithNoSourceMapOption/amd/mapRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/mapRootWithNoSourceMapOption/amd/mapRootWithNoSourceMapOption.errors.txt
@@ -1,7 +1,7 @@
-error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+!!! error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {
diff --git a/tests/baselines/reference/project/mapRootWithNoSourceMapOption/node/mapRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/mapRootWithNoSourceMapOption/node/mapRootWithNoSourceMapOption.errors.txt
index de6de5ecfc6..01a3526196c 100644
--- a/tests/baselines/reference/project/mapRootWithNoSourceMapOption/node/mapRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/mapRootWithNoSourceMapOption/node/mapRootWithNoSourceMapOption.errors.txt
@@ -1,7 +1,7 @@
-error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5038: Option mapRoot cannot be specified without specifying sourcemap option.
+!!! error TS5038: Option 'mapRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {
diff --git a/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/amd/sourceRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/amd/sourceRootWithNoSourceMapOption.errors.txt
index 93a57bb27f5..b7abc0c2d52 100644
--- a/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/amd/sourceRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/amd/sourceRootWithNoSourceMapOption.errors.txt
@@ -1,7 +1,7 @@
-error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
+error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
+!!! error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {
diff --git a/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/node/sourceRootWithNoSourceMapOption.errors.txt b/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/node/sourceRootWithNoSourceMapOption.errors.txt
index 93a57bb27f5..b7abc0c2d52 100644
--- a/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/node/sourceRootWithNoSourceMapOption.errors.txt
+++ b/tests/baselines/reference/project/sourceRootWithNoSourceMapOption/node/sourceRootWithNoSourceMapOption.errors.txt
@@ -1,7 +1,7 @@
-error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
+error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
 
 
-!!! error TS5039: Option sourceRoot cannot be specified without specifying sourcemap option.
+!!! error TS5039: Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option.
 ==== m1.ts (0 errors) ====
     var m1_a1 = 10;
     class m1_c1 {