diff --git a/src/MiniDocs/MiniDocs.class.st b/src/MiniDocs/MiniDocs.class.st
index bb37ffa..352aab9 100644
--- a/src/MiniDocs/MiniDocs.class.st
+++ b/src/MiniDocs/MiniDocs.class.st
@@ -62,13 +62,12 @@ MiniDocs class >> installYamlToJson [
 	self yamlToJsonBinary exists ifTrue: [ ^ MiniDocs appFolder ].
 	Nimble
 		install: 'yaml';
-		install: 'json'; 
 		install: 'commandeer'.
 	OSSUnixSubprocess new
 		command: 'nim';
 		arguments: {'c'. self yamlToJsonSourceCode fullName};
 		runAndWaitOnExitDo: [ :process :outString |
-			(self yamlToJsonSourceCode parent / self yamlToJsonSourceCode basenameWithoutExtension) moveToPageTitled: MiniDocs appFolder asFileReference.
+			(self yamlToJsonSourceCode parent / self yamlToJsonSourceCode basenameWithoutExtension) moveTo: MiniDocs appFolder asFileReference.
 			^ MiniDocs appFolder ]
 ]
 
diff --git a/src/MiniDocs/Nimble.class.st b/src/MiniDocs/Nimble.class.st
index da6912b..00e11ec 100644
--- a/src/MiniDocs/Nimble.class.st
+++ b/src/MiniDocs/Nimble.class.st
@@ -25,7 +25,15 @@ Nimble class >> install: packageName [
 		arguments: {'install'.
 				packageName};
 		redirectStdout;
-		runAndWaitOnExitDo: [ :process :outString | ^ outString ]
+		redirectStderr;
+		runAndWaitOnExitDo: [ :process :outString :errString | 
+			process isSuccess
+				ifTrue: [ Transcript show: 'Command exited correctly with output: ', outString. ]
+				ifFalse: [
+					^ 'Command exit with error status: ', process exitStatusInterpreter printString, String cr,
+				'Stderr contents: ', errString.
+			]
+		]
 ]
 
 { #category : #accessing }