docs: fix markdown for includenotfound and requirenotfound

docs/wiki/oelint.file.includenotfound.md

@@ -17,7 +17,7 @@ include a/file/from/another/layer.inc
 
 ## Why is this bad?
 
-If the an include file doesn't reside in the same layer, it creates an external dependency on something
+If an include file doesn't reside in the same layer, it creates an external dependency on something
 that is likely beyond the control of the layer.
 It will create breakage if the other layer changes the name and/or the path of the include file.
 
@@ -28,7 +28,7 @@ Or the include simply doesn't exit at all.
 Fix the include path or
 
 ```
-# noelint: oelint.file.includenotfound
+# nooelint: oelint.file.includenotfound
 include a/file/from/another/layer.inc
 ```
 

docs/wiki/oelint.file.requirenotfound.md

@@ -1,4 +1,4 @@
-# oelint.file.includenotfound
+# oelint.file.requirenotfound
 
 severity: warning
 
@@ -17,19 +17,19 @@ require a/file/from/another/layer.inc
 
 ## Why is this bad?
 
-If the an include file doesn't reside in the same layer, it creates an external dependency on something
+If a required file doesn't reside in the same layer, it creates an external dependency on something
 that is likely beyond the control of the layer.
-It will create breakage if the other layer changes the name and/or the path of the include file.
+It will create breakage if the other layer changes the name and/or the path of the required file.
 
-Or the include simply doesn't exit at all.
+Or the required file simply doesn't exit at all.
 
 ## Ways to fix it
 
-Fix the include path or
+Fix the required file path or
 
 ```
-# noelint: oelint.file.includenotfound
+# nooelint: oelint.file.requirenotfound
 require a/file/from/another/layer.inc
 ```
 
-in case the include file is from another layer.
+in case the required file is from another layer.