Fixed bug in clustering

Author: melkebir

src/cluster/clustermain.cpp

@@ -19,7 +19,7 @@ int main(int argc, char** argv)
 
   lemon::ArgParser ap(argc, argv);
   ap.refOption("a", "Confidence interval used for clustering (default: 0.001)", alpha)
-    .refOption("a", "Confidence interval used for pooled frequency matrix (default: 0.05)", beta)
+    .refOption("b", "Confidence interval used for pooled frequency matrix (default: 0.05)", beta)
     .other("R", "Read matrix");
   ap.parse();