diff --git a/doc/org.eclipse.cdt.doc.user/contexts_CDT.xml b/doc/org.eclipse.cdt.doc.user/contexts_CDT.xml
index 929efb696d6..7a4ad50e444 100644
--- a/doc/org.eclipse.cdt.doc.user/contexts_CDT.xml
+++ b/doc/org.eclipse.cdt.doc.user/contexts_CDT.xml
@@ -87,6 +87,10 @@
+
+ This page allows to configure editor scalability mode options.
+ This page allows to configure editor scalability mode options. The scalability mode helps to deal with very large source files.
Highlight inactive code
Highlights inactive code when the cursor is positioned inside it.
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Ensure newline at end of file when saving
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Checkmark to ensure files always include a newline at the end.
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Appearance color options
Lists the items for which you can specify a color.
Use the Save Actions preference panel to configure actions performed by C/C++ editor while saving
+a file. Click Window > Preferences > C/C++ > Editor > Save Actions to make changes.
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Editor Preference Options
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Remove trailing whitespace
+
While saving a file, C/C++ editor will remove spaces and tab characters from the end of edited
+ or all lines.
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Ensure newline at the end of file
+
While saving a file, C/C++ editor will insert a newline at the end of the last line,
+ if the last line does not have it already.