doc: '2average' seems to be intended

diff --git a/doc/documentation/chapters/developer.texi b/doc/documentation/chapters/developer.texi
index f6dd10c7f6763f29ff7e571ca6cfa4b3070382c2..4167c3d62f1aa35b99382cab213102e713deb12c 100644 (file)
--- a/doc/documentation/chapters/developer.texi
+++ b/doc/documentation/chapters/developer.texi
@@ -5477,7 +5477,7 @@ The callback provides two values: the average and the
 @uref{http://en.wikipedia.org/wiki/Standard_deviation, standard deviation}
 of the last 64 rounds. The values provided by the callback function are
 logarithmic, this means that the real estimate numbers can be obtained by
-calculating 2 to the power of the given value (average). From a
+calculating 2 to the power of the given value (2average). From a
 statistics point of view this means that:
 
 @itemize @bullet