diff --git a/src/LyXVC.cpp b/src/LyXVC.cpp
index 63d26227a6..1ed30fe663 100644
--- a/src/LyXVC.cpp
+++ b/src/LyXVC.cpp
@@ -74,13 +74,13 @@ bool LyXVC::file_found_hook(FileName const & fn)
 
 bool LyXVC::file_not_found_hook(FileName const & fn)
 {
-	// Check if file is under RCS
+	// Check if file is under RCS.
+	// This happens if we are trying to load non existent
+	// file on disk, but existent in ,v version.
+	// Seems there is no reasonable scenario for adding implementation
+	// of retrieve for cvs or svn.
 	if (!RCS::findFile(fn).empty())
 		return true;
-	if (!CVS::findFile(fn).empty())
-		return true;
-	if (!SVN::findFile(fn).empty())
-		return true;
 	return false;
 }
 
diff --git a/src/LyXVC.h b/src/LyXVC.h
index 09998c952f..86d7dcc370 100644
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -26,15 +26,14 @@ class Buffer;
 
 /** Version Control for LyX.
     This is the class giving the verison control features to LyX. It is
-    intended to support different kinds of version control, but at this point
-    we will only support RCS. Later CVS is a likely candidate for support.
+    intended to support different kinds of version control.
     The support in LyX is based loosely upon the version control in GNU Emacs,
-    but is not as extensive as that one. See examples/VC.lyx for a simple
+    but is not as extensive as that one. See Extended Manual for a simple
     tutorial and manual for the use of the version control system in LyX.
 
     LyXVC use this algorithm when it searches for VC files:
-    for RCS it searches for <filename>,v and RCS/<filename>,v similar
-    should be done for CVS. By doing this there doesn't need to be any
+    for RCS it searches for <filename>,v and RCS/<filename>,v similarly
+    CVS/Entries for cvs and .svn/entries. By doing this there doesn't need to be any
     special support for VC in the lyx format, and this is especially good
     when the lyx format will be a subset of LaTeX.
 */
@@ -46,9 +45,9 @@ public:
 	~LyXVC();
 	/** Not a good name perhaps. This function should be called whenever
 	  LyX loads a file. This function then checks for a master VC file (for
-	  RCS this is *,v or RCS/ *,v ; for CVS this is CVS/Entries) if this
-	  file is found, the loaded file is assumed to be under controll by VC
-	  (only RCS and CVS so far), and the appropiate actions is taken.
+	  RCS this is *,v or RCS/ *,v ; for CVS this is CVS/Entries and .svn/entries
+	  for SVN) if this file or entry is found, the loaded file is assumed to be
+	  under controll by VC, and the appropiate actions is taken.
 	  Returns true if the file is under control by a VCS.
 	  */
 	bool file_found_hook(support::FileName const & fn);
@@ -96,7 +95,7 @@ public:
 	///
 	void toggleReadOnly();
 
-	/// Is the document under administration by RCS?
+	/// Is the document under administration by VCS?
 	bool inUse();
 
 	/// Returns the version number.