Update Doku aus Driversourcen

Change-Id: I455f0813b970151089b3dc1b8d9407eea323cdd1
diff --git a/doc/master/stale_erq b/doc/master/stale_erq
index a05ca31..8a5bcff 100644
--- a/doc/master/stale_erq
+++ b/doc/master/stale_erq
@@ -1,17 +1,17 @@
 SYNOPSIS
-	void stale_erq (closure callback)
+        void stale_erq (closure callback)
 
 DESCRIPTION
-	Notify the loss of the erq demon.
-	Argument is the callback closure set for an erq request.
+        Notify the loss of the erq demon.
+        Argument is the callback closure set for an erq request.
 
-	If the erq connection dies prematurely, the driver will call
-	this lfun for every pending request with set callback. This
-	function should notify the originating object that the answer
-	will never arrive. 
+        If the erq connection dies prematurely, the driver will call
+        this lfun for every pending request with set callback. This
+        function should notify the originating object that the answer
+        will never arrive.
 
 HISTORY
-	Introduced in 3.2.1@61.
+        Introduced in 3.2.1@61.
 
 SEE ALSO
-	erq(C)
+        erq(C)