diff --git a/eo/src/eoLinearFitScaling.h b/eo/src/eoLinearFitScaling.h
index fee41186..b5c0d8aa 100644
--- a/eo/src/eoLinearFitScaling.h
+++ b/eo/src/eoLinearFitScaling.h
@@ -30,7 +30,7 @@
 #include <eoSelectFromWorth.h>
 #include <eoPerf2Worth.h>
 
-/* An instance of eoPerf2Worth
+/** An instance of eoPerf2Worth
  *  COmputes the linearly scaled fitnesses
  *  with given selective pressure
  *  Pselect(Best) == pressure/sizePop
diff --git a/eo/src/eoRanking.h b/eo/src/eoRanking.h
index 4c8031c8..37fd5f64 100644
--- a/eo/src/eoRanking.h
+++ b/eo/src/eoRanking.h
@@ -29,7 +29,7 @@
 
 #include <eoPerf2Worth.h>
 
-/* An instance of eoPerfFromWorth
+/** An instance of eoPerfFromWorth
  *  COmputes the ranked fitness: fitnesses range in [m,M] 
  *  with m=2-pressure/popSize and M=pressure/popSize.
  *  in between, the progression depends on exponent (linear if 1).