diff --git a/HISTORY.md b/HISTORY.md
index 8a7a96490..e96253763 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,9 +3,12 @@
 ## in development:
 * **Notable Changes:**
     * enabled setting custom blocks labels to (nested) lists of label parts, not just in DEFINE but also in SET
+* **Notable Fixes:**
+    * fixed initial number of inputs in the parallelization library
     
 ### 2024-08-12
 * threads: enabled setting custom blocks labels to (nested) lists of label parts
+* fixed initial number of inputs in the parallelization library
 
 ## 10.0.2:
 * **Notable Fixes:**
diff --git a/libraries/parallel_module.xml b/libraries/parallel_module.xml
index ef196f0f7..1c438618e 100644
--- a/libraries/parallel_module.xml
+++ b/libraries/parallel_module.xml
@@ -1 +1 @@
-<blocks app="Snap! 7, https://snap.berkeley.edu" version="2"><block-definition s="do in parallel %&apos;actions&apos; and wait" type="command" category="control"><comment x="0" y="0" w="238.66666666666666" collapsed="false">Accepts any number of scripts as inputs.  Launches a separate thread for each of them, so they are done in parallel, then waits for them all to complete.&#xD;&#xD;This doesn&apos;t change how the Snap! scheduler works; the threads are not truly asynchronous. And there is no increase in speed.  Rather, the point of this block is to allow starting synchronized but independent scripts.</comment><header></header><code></code><translations>pt:executa _ em paralelo e espera&#xD;ca:executa en paral·lel _ i espera&#xD;</translations><inputs><input type="%mult%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>threads</l></list></block><block s="doSetVar"><l>threads</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="evaluate"><block s="reifyScript"><script><block s="doDeclareVariables"><list><l>is running?</l></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="fork"><block s="reifyScript"><script><block s="doRun"><block var="each script"/><list></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><list></list></block><list></list></block><block s="doReport"><block s="reifyScript"><script><block s="doReport"><block var="is running?"/></block></script><list></list></block></block></script><list></list></block><list></list></block></autolambda><list><l>each script</l></list></block><block var="actions"/></block></block><block s="doWaitUntil"><block s="reportListIsEmpty"><block s="reportKeep"><block s="reifyPredicate"><autolambda><block s="evaluate"><block var="test"/><list></list></block></autolambda><list><l>test</l></list></block><block var="threads"/></block></block></block></script></block-definition><block-definition s="do in parallel %&apos;actions&apos;" type="command" category="control"><comment x="0" y="0" w="238.66666666666666" collapsed="false">Accepts any number of scripts as inputs.  Launches a separate thread for each of them, so they are done in parallel, then continues with the current script while they all run.&#xD;&#xD;This doesn&apos;t change how the Snap! scheduler works; the threads are not truly asynchronous. And there is no increase in speed.  Rather, the point of this block is to allow starting synchronized but independent scripts.</comment><header></header><code></code><translations>pt:executa _ em paralelo&#xD;ca:executa en paral·lel _&#xD;</translations><inputs><input type="%mult%cs"></input></inputs><script><block s="doIf"><block s="reportGreaterThan"><block s="reportListAttribute"><l><option>length</option></l><block var="actions"/></block><l>0</l></block><script><block s="fork"><block s="reportListItem"><l>1</l><block var="actions"/></block><list></list></block><custom-block s="do in parallel %mult%cs"><block s="reportCDR"><block var="actions"/></block></custom-block></script></block></script></block-definition></blocks>
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+<blocks app="Snap! 10, https://snap.berkeley.edu" version="2"><block-definition s="do in parallel %&apos;actions&apos; and wait" type="command" category="control"><comment w="238.66666666666666" collapsed="false">Accepts any number of scripts as inputs.  Launches a separate thread for each of them, so they are done in parallel, then waits for them all to complete.&#xD;&#xD;This doesn&apos;t change how the Snap! scheduler works; the threads are not truly asynchronous. And there is no increase in speed.  Rather, the point of this block is to allow starting synchronized but independent scripts.</comment><header></header><code></code><translations>pt:executa _ em paralelo e espera&#xD;ca:executa en paral·lel _ i espera&#xD;</translations><inputs><input type="%mult%cs" initial="1"></input></inputs><script><block s="doDeclareVariables"><list><l>threads</l></list></block><block s="doSetVar"><l>threads</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="evaluate"><block s="reifyScript"><script><block s="doDeclareVariables"><list><l>is running?</l></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="fork"><block s="reifyScript"><script><block s="doRun"><block var="each script"/><list></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><list></list></block><list></list></block><block s="doReport"><block s="reifyScript"><script><block s="doReport"><block var="is running?"/></block></script><list></list></block></block></script><list></list></block><list></list></block></autolambda><list><l>each script</l></list></block><block var="actions"/></block></block><block s="doWaitUntil"><block s="reportListIsEmpty"><block s="reportKeep"><block s="reifyPredicate"><autolambda><block s="evaluate"><block var="test"/><list></list></block></autolambda><list><l>test</l></list></block><block var="threads"/></block></block></block></script></block-definition><block-definition s="do in parallel %&apos;actions&apos;" type="command" category="control"><comment w="238.66666666666666" collapsed="false">Accepts any number of scripts as inputs.  Launches a separate thread for each of them, so they are done in parallel, then continues with the current script while they all run.&#xD;&#xD;This doesn&apos;t change how the Snap! scheduler works; the threads are not truly asynchronous. And there is no increase in speed.  Rather, the point of this block is to allow starting synchronized but independent scripts.</comment><header></header><code></code><translations>pt:executa _ em paralelo&#xD;ca:executa en paral·lel _&#xD;</translations><inputs><input type="%mult%cs" initial="1"></input></inputs><script><block s="doIf"><block s="reportVariadicGreaterThan"><list><block s="reportListAttribute"><l><option>length</option></l><block var="actions"/></block><l>0</l></list></block><script><block s="fork"><block s="reportListItem"><l>1</l><block var="actions"/></block><list></list></block><custom-block s="do in parallel %mult%cs"><block s="reportCDR"><block var="actions"/></block></custom-block></script><list></list></block></script></block-definition></blocks>
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