add missing 'class' keyword for consistency with other types

hankache · hankache · commit cdce18f8d2ec · 2018-07-30T22:27:06.000+03:00
diff --git a/doc/Type/X/Method/NotFound.pod6 b/doc/Type/X/Method/NotFound.pod6
@@ -1,6 +1,6 @@
 =begin pod
 
-=TITLE  X::Method::NotFound
+=TITLE class X::Method::NotFound
 
 =SUBTITLE Error due to calling a method that isn't there
 
diff --git a/doc/Type/X/Parameter/MultipleTypeConstraints.pod6 b/doc/Type/X/Parameter/MultipleTypeConstraints.pod6
@@ -1,6 +1,6 @@
 =begin pod
 
-=TITLE X::Parameter::MultipleTypeConstraints
+=TITLE class X::Parameter::MultipleTypeConstraints
 
 =SUBTITLE Compilation error due to a parameter with multiple type constraints
 
diff --git a/doc/Type/X/Parameter/WrongOrder.pod6 b/doc/Type/X/Parameter/WrongOrder.pod6
@@ -1,6 +1,6 @@
 =begin pod
 
-=TITLE X::Parameter::WrongOrder
+=TITLE class X::Parameter::WrongOrder
 
 =SUBTITLE Compilation error due to passing parameters in the wrong order
 
diff --git a/doc/Type/X/Placeholder/Mainline.pod6 b/doc/Type/X/Placeholder/Mainline.pod6
@@ -1,6 +1,6 @@
 =begin pod
 
-=TITLE X::Placeholder::Mainline
+=TITLE class X::Placeholder::Mainline
 
 =SUBTITLE Compilation error due to a placeholder in the mainline
 
