diff --git a/src/Grafoscopio/Documentation.class.st b/src/Grafoscopio/Documentation.class.st
new file mode 100644
index 0000000..52d1a7b
--- /dev/null
+++ b/src/Grafoscopio/Documentation.class.st
@@ -0,0 +1,48 @@
+"
+I model a documentation object for Grafoscopio.
+Documents are stored in a fossil repository and have
+relative paths to it.
+"
+Class {
+	#name : #Documentation,
+	#superclass : #Object,
+	#instVars : [
+		'repository',
+		'documents'
+	],
+	#category : #'Grafoscopio-Model'
+}
+
+{ #category : #queries }
+Documentation class >> grafoscopioDocumentation [
+	"I model the important documents that belong to the Grafoscopio documentation.
+	When more documents become more mature and usable, I will include them."
+
+	| gfcDocumentation |
+	gfcDocumentation := self new.
+	gfcDocumentation repository: (FossilRepo new url: 'http://mutabit.com/repos.fossil/grafoscopio').
+	gfcDocumentation documents: (Dictionary new 
+		at: 'Spanish Tutorial' put: 'Docs/Es/Tutoriales/tutorial.ston'; yourself).
+	^ gfcDocumentation
+	
+]
+
+{ #category : #accessing }
+Documentation >> documents [
+	^ documents
+]
+
+{ #category : #accessing }
+Documentation >> documents: anObject [
+	documents := anObject
+]
+
+{ #category : #accessing }
+Documentation >> repository [
+	^ repository
+]
+
+{ #category : #accessing }
+Documentation >> repository: anObject [
+	repository := anObject
+]
diff --git a/src/Grafoscopio/FossilRepo.class.st b/src/Grafoscopio/FossilRepo.class.st
index 9369fdd..91753d6 100644
--- a/src/Grafoscopio/FossilRepo.class.st
+++ b/src/Grafoscopio/FossilRepo.class.st
@@ -12,12 +12,32 @@ Class {
 	#category : #'Grafoscopio-Model'
 }
 
-{ #category : #'as yet unclassified' }
-FossilRepo >> jsonDataFor: aFileName [
-	^ NeoJSONReader fromString: (self jsonStringFor: aFileName) 
+{ #category : #querying }
+FossilRepo >> checkinsFor: aFullFileName [
+	"I get all histotical checkins information for a full file name, wich includes relative path 
+	in the repository (i.e: 'Doc/Es/Tutoriales/tutorial.ston' or 'index.html's)"
+	(self jsonDataFor: aFullFileName)  at: 'payload' ifAbsent: [
+	 		self inform: 
+			'WARNING! Key not found, verify the file name you are looking in this repository'. 
+			^ self ].
+	^ (((self jsonDataFor: aFullFileName)  at: 'payload') at: 'checkins')
 ]
 
-{ #category : #'as yet unclassified' }
+{ #category : #querying }
+FossilRepo >> jsonDataFor: aFileName [
+	| answer |
+	answer := NeoJSONReader fromString: (self jsonStringFor: aFileName).
+	(answer keys includes: 'resultText') ifTrue: [ 
+		(answer at: 'resultText') = 'File entry not found.' 
+			ifTrue: [ 
+				self inform: 'WARNING! ', (answer at: 'resultText'), 
+						' Verify the file path you are entering'.
+				^ self] 
+		].
+	^ answer
+]
+
+{ #category : #querying }
 FossilRepo >> jsonStringFor: aFileName [
 	| queryForJSONData |
 	queryForJSONData := self url addPathSegments: #('json' 'finfo').
@@ -25,10 +45,11 @@ FossilRepo >> jsonStringFor: aFileName [
 	^ (ZnEasy get: queryForJSONData) contents.
 ]
 
-{ #category : #'as yet unclassified' }
+{ #category : #querying }
 FossilRepo >> lastHashNumberFor: aFileName [
-	(self jsonDataFor: aFileName)  at: 'payload' ifAbsent: [ self inform: 'Key not found, verify the file name you are looking in this repository'. ^ self ].
-	^ (((self jsonDataFor: aFileName)  at: 'payload') at: 'checkins') first at: 'uuid'
+	"I'm useful to see if local versions of files are updated to the last versions of the
+	online repository"
+	^ (self checkinsFor: aFileName) first at: 'uuid'
 ]
 
 { #category : #accessing }
diff --git a/src/Grafoscopio/ManifestGrafoscopio.class.st b/src/Grafoscopio/ManifestGrafoscopio.class.st
index 41272ef..33df2f8 100644
--- a/src/Grafoscopio/ManifestGrafoscopio.class.st
+++ b/src/Grafoscopio/ManifestGrafoscopio.class.st
@@ -7,6 +7,11 @@ Class {
 	#category : #Grafoscopio
 }
 
+{ #category : #'code-critics' }
+ManifestGrafoscopio class >> ruleRBClassNameInSelectorRuleV1FalsePositive [
+	^ #(#(#(#RGMethodDefinition #(#'Documentation class' #grafoscopioDocumentation #true)) #'2016-10-07T19:39:23.013722-05:00') )
+]
+
 { #category : #'code-critics' }
 ManifestGrafoscopio class >> ruleRBSentNotImplementedRuleV1FalsePositive [
 	^ #(#(#(#RGMetaclassDefinition #(#'GrafoscopioGUI class' #GrafoscopioGUI)) #'2015-12-23T10:38:16.706667-05:00') #(#(#RGClassDefinition #(#GrafoscopioGUI)) #'2016-01-06T18:53:45.844051-05:00') )