diff --git a/src/softshrink.m b/src/softshrink.m
index c73692bccf844c16702fef850a48b2437fdf1c99..642ff0b48c94d5e74dd8e3511edafd8ba131f59e 100644
--- a/src/softshrink.m
+++ b/src/softshrink.m
@@ -2,10 +2,14 @@ function F = softshrink(F, softshrink_mu, softshrink_type, nr_of_sources)
 
 %% SOFTSHRINK: Applies the soft-shrinkage operator to the Matrix F and returns the result.
 %
-% INPUT:   F               Matrix with real/complex entries.
+% INPUT:    F               Cell-Array containing matrices with real/complex entries.
 %           softshrink_mu   Threshold parameter in the soft shrinkage operatore.
 %           softshrink_type Type of soft-shrinkage to be used ('real'/'complex').
-% OUTPUT:  F   Matrix with real/complex entries.
+%           nr_of_sources   Size of cell-arrays.
+%
+% OUTPUT:  F   Cell-Array containing matrices with real/complex entries.
+%
+% SYNTAX: softshrink(F, softshrink_mu, softshrink_type, nr_of_sources)
 %
 % ******************************************************************************************