diff --git a/tools/jellyfish/jellyfish.xml b/tools/jellyfish/jellyfish.xml
index b33ce94ce84..cb64083c00a 100644
--- a/tools/jellyfish/jellyfish.xml
+++ b/tools/jellyfish/jellyfish.xml
@@ -1,7 +1,7 @@
 <tool id="jellyfish" name="jellyfish" version="@WRAPPER_VERSION@+@VERSION_SUFFIX@" profile="20.01">
     <macros>
         <token name="@WRAPPER_VERSION@">2.3.0</token>
-        <token name="@VERSION_SUFFIX@">galaxy0</token>
+        <token name="@VERSION_SUFFIX@">galaxy1</token>
     </macros>
     <xrefs>
         <xref type="bio.tools">Jellyfish</xref>
@@ -14,7 +14,7 @@
         #if $commands.command == "count":
             count
             --mer-len $commands.mer_len
-            --size $commands.size
+            --size ${commands.size}M
             #if $commands.counter_len:
                 --counter-len $commands.counter_len
             #end if
@@ -103,7 +103,7 @@
             <when value="count">
                 <param name="input" type="data" format="fasta,fastq,fastqsanger" label="Input data file"/>
                 <param argument="--mer-len" type="integer" value="20" min="1" label="Length of mer" />
-                <param argument="--size" type="integer" value="32" min="1" label="Initial hash size" />
+                <param argument="--size" type="integer" value="32" min="1" label="Initial hash size in Million (M)" />
                 <param argument="--counter-len" type="integer" min="1" optional="true" label="Counter Length in bits" />
                 <param argument="--canonical" type="boolean" truevalue="--canonical" falsevalue="" label="Count both strand and canonical representation" />
                 <conditional name="bloom">