1 files changed, 4 insertions, 4 deletions

diff --git a/biology/paml/pkg-descr b/biology/paml/pkg-descr
index e0fa64554306..142aea337cd7 100644
--- a/biology/paml/pkg-descr
+++ b/biology/paml/pkg-descr
@@ -2,7 +2,7 @@ Phylogenetic Analysis by Maximum Likelihood (PAML)
 
 PAML is a program package for phylogenetic analyses of DNA or protein
 sequences using maximum likelihood, and is maintained and distributed
-by Ziheng Yang. 
+by Ziheng Yang.
 
 Possible uses of the programs are:
 - Estimation of branch lengths in a phylogenetic tree and parameters
@@ -14,9 +14,9 @@ Possible uses of the programs are:
   constancy and independence among nucleotide or amino acid sites, rate
   constancy among lineages (the molecular clock), and homogeneity of
   evolutionary process in multiple genes;
-- Calculation of substitution rates at sites; 
+- Calculation of substitution rates at sites;
 - Reconstruction of ancestral nucleotide or amino acid sequences;
-- Simulation of nucleotide, codon, and amino acid sequence data sets; 
-- Phylogenetic tree reconstruction by maximum likelihood and Bayesian methods. 
+- Simulation of nucleotide, codon, and amino acid sequence data sets;
+- Phylogenetic tree reconstruction by maximum likelihood and Bayesian methods.
 
 WWW: http://abacus.gene.ucl.ac.uk/software/paml.html