diff --git a/topics/mega/src/MegaADT.rsc b/topics/mega/src/MegaADT.rsc
index 895a48ee..1577ff68 100644
--- a/topics/mega/src/MegaADT.rsc
+++ b/topics/mega/src/MegaADT.rsc
@@ -16,13 +16,13 @@ data MegaDeclaration
 data MegaMod = local() | variable() | nomod();
 data MegaRelation
 	= subsetOf(str x, str y)
-    | elementOf(str x, str y)
-    | partOf(str x, str y)
-    | correspondsTo(str x, str y)
-    | dependsOn(str x, str y)
+	| elementOf(str x, str y)
+	| partOf(str x, str y)
+	| correspondsTo(str x, str y)
+	| dependsOn(str x, str y)
 	| refersTo(str x, str y)
-    | conformsTo(str x, str y)
-    | realizationOf(str x, str y)
+	| conformsTo(str x, str y)
+	| realizationOf(str x, str y)
 	| descriptionOf(str x, str y)
 	| definitionOf(str x, str y)
 	| mapsTo(str f, str x, str y)
diff --git a/topics/mega/src/MegaGrammar.rsc b/topics/mega/src/MegaGrammar.rsc
index 6428fcd7..76afc6d0 100644
--- a/topics/mega/src/MegaGrammar.rsc
+++ b/topics/mega/src/MegaGrammar.rsc
@@ -28,14 +28,14 @@ syntax MegaRel
 	| ID "(" ID ")" "|-\>" ID
 	;
 syntax MegaBin
-    = ( "\<"  | "subsetOf" )
-    | ( ":"  | "elementOf" )
-    | ( "@"  | "partOf" )
-    | ( "="  | "correspondsTo" )
-    | ( "~\>" | "dependsOn" | "refersTo" )
-    | ( "-|" | "conformsTo" )
-    | ( "=\>" | "realizationOf" | "descriptionOf" | "definitionOf" )
-    ;
+	= ( "\<"  | "subsetOf" )
+	| ( ":"  | "elementOf" )
+	| ( "@"  | "partOf" )
+	| ( "="  | "correspondsTo" )
+	| ( "~\>" | "dependsOn" | "refersTo" )
+	| ( "-|" | "conformsTo" )
+	| ( "=\>" | "realizationOf" | "descriptionOf" | "definitionOf" )
+	;
 syntax MegaFun = ":" ID "-\>" ID;
 lexical ID = @category="Variable"
  ([a-zA-z] [a-zA-Z0-9_]* !>> [a-zA-Z0-9_]) \ Keywords ;
@@ -46,7 +46,6 @@ keyword Keywords
 syntax STRING = [\"] ![\"]* [\"]; //"
 lexical MegaDesc = @category="Comment" "{-" MegaDescEl* s "-}";
 lexical MegaDescEl = ![\-] | [\-] !>> [}];
-
 layout L = LAYOUT* !>> [\ \t\n\r]; // !>> "--";
 lexical LAYOUT = [\ \t\n\r];
 syntax MegaDot = "." MegaComment? ;