diff --git a/src/AST-Tests-Core/RBParseTreeRewriterTest.class.st b/src/AST-Tests-Core/RBParseTreeRewriterTest.class.st
index af623099264..e5c3487dfa4 100644
--- a/src/AST-Tests-Core/RBParseTreeRewriterTest.class.st
+++ b/src/AST-Tests-Core/RBParseTreeRewriterTest.class.st
@@ -7,7 +7,7 @@ Class {
 	#category : #'AST-Tests-Core'
 }
 
-{ #category : #utils }
+{ #category : #utilities }
 RBParseTreeRewriterTest >> compare: anObject to: anotherObject [ 
 	self assert: anObject hash = anotherObject hash.
 	self assert: anObject = anotherObject
diff --git a/src/NECompletion-Tests/NECClassVarTypeGuesserTest.class.st b/src/NECompletion-Tests/NECClassVarTypeGuesserTest.class.st
index cdda902fba0..9e94df598e8 100644
--- a/src/NECompletion-Tests/NECClassVarTypeGuesserTest.class.st
+++ b/src/NECompletion-Tests/NECClassVarTypeGuesserTest.class.st
@@ -4,7 +4,7 @@ Class {
 	#category : #'NECompletion-Tests'
 }
 
-{ #category : #utils }
+{ #category : #utilities }
 NECClassVarTypeGuesserTest >> guessVariable: aString in: aClass expected: theClassExpected [ 
 	| typeGuesser result |
 	typeGuesser := NECClassVarTypeGuesser 
diff --git a/src/RPackage-Tests/RPackageTestCase.class.st b/src/RPackage-Tests/RPackageTestCase.class.st
index 146616249e7..34f8c027c65 100644
--- a/src/RPackage-Tests/RPackageTestCase.class.st
+++ b/src/RPackage-Tests/RPackageTestCase.class.st
@@ -14,18 +14,18 @@ Class {
 	#category : #'RPackage-Tests'
 }
 
-{ #category : #utils }
+{ #category : #utilities }
 RPackageTestCase >> allManagers [
 
 	^ MCWorkingCopy allManagers
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewClassNamed: aName [
 	^ self createNewClassNamed: aName inCategory: 'RPackageTest'
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewClassNamed: aName inCategory: cat [
 	
 	| cls |
@@ -39,7 +39,7 @@ RPackageTestCase >> createNewClassNamed: aName inCategory: cat [
 	^ cls
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewClassNamed: aName inPackage: p [
 	
 	| cls |
@@ -48,7 +48,7 @@ RPackageTestCase >> createNewClassNamed: aName inPackage: p [
 	^ cls
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewPackageNamed: aName [
 
 	| pack |
@@ -58,12 +58,12 @@ RPackageTestCase >> createNewPackageNamed: aName [
 	^ pack
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewTraitNamed: aName [
 	^ self createNewTraitNamed: aName inCategory: 'RPackageTest'
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewTraitNamed: aName inCategory: cat [
 	
 	| cls |
@@ -75,7 +75,7 @@ RPackageTestCase >> createNewTraitNamed: aName inCategory: cat [
 	^ cls
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> createNewTraitNamed: aName inPackage: p [
 	
 	| cls |
@@ -109,7 +109,7 @@ RPackageTestCase >> packageOrganizerClass [
 	^ RPackageOrganizer
 ]
 
-{ #category : #utility }
+{ #category : #utilities }
 RPackageTestCase >> removePackage: aName [
 	self packageClass organizer basicUnregisterPackageNamed: aName.
 	
diff --git a/src/Tests/SystemNavigationTest.class.st b/src/Tests/SystemNavigationTest.class.st
index 286139cd66f..fecbeed1f8a 100644
--- a/src/Tests/SystemNavigationTest.class.st
+++ b/src/Tests/SystemNavigationTest.class.st
@@ -29,7 +29,7 @@ SystemNavigationTest >> createClassFactory [
 	^ ClassFactoryWithOrganization newWithOrganization: self organizationToTest
 ]
 
-{ #category : #utils }
+{ #category : #utilities }
 SystemNavigationTest >> createMethodNamed: selector realParent: class [
 
 	^ RGMethodDefinition realClass: class selector: selector
diff --git a/src/Tests/TraitTest.class.st b/src/Tests/TraitTest.class.st
index 9866828d22f..040ed6b8847 100644
--- a/src/Tests/TraitTest.class.st
+++ b/src/Tests/TraitTest.class.st
@@ -4,7 +4,7 @@ Class {
 	#category : #'Tests-Traits'
 }
 
-{ #category : #utils }
+{ #category : #utilities }
 TraitTest >> createClassUsing: aTrait [
 	^ Object
 		subclass: #AClassForTests
@@ -15,7 +15,7 @@ TraitTest >> createClassUsing: aTrait [
 		category: 'AAA'
 ]
 
-{ #category : #utils }
+{ #category : #utilities }
 TraitTest >> createTrait [
 	| trait |
 	trait := Trait named: #ATraitForTests uses: {} category: 'AAA'.
diff --git a/src/Text-Core/TextAlignment.class.st b/src/Text-Core/TextAlignment.class.st
index 637566e919a..c5a79e8e1a5 100644
--- a/src/Text-Core/TextAlignment.class.st
+++ b/src/Text-Core/TextAlignment.class.st
@@ -24,7 +24,7 @@ Class {
 	#category : #'Text-Core'
 }
 
-{ #category : #utils }
+{ #category : #utilities }
 TextAlignment class >> alignmentSymbol: alignmentCode [
 	^#(leftFlush rightFlush centered justified) at: (alignmentCode + 1)
 ]
@@ -77,7 +77,7 @@ TextAlignment >> hash [
 	^ alignment hash
 ]
 
-{ #category : #utils }
+{ #category : #utilities }
 TextAlignment >> writeScanOn: strm [
 
 	strm nextPut: $a.