diff --git a/HISTORY.md b/HISTORY.md
index 3f9a3a82..b269ea41 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -14,6 +14,7 @@
     * fixed missing blocks in frequency distribution analysis library
     * fixed missing blocks in iteration composition library
     * fixed a comment in "remove duplicates" in the list utilities library
+    * fixed missing blocks in parallelization library
 * **Documentation Updates:**
 * **Translation Updates:**
 
@@ -24,6 +25,7 @@
 * fixed PIPE in frequency distribution analysis library
 * fixed PIPE in iteration composition library
 * fixed the comment in "remove duplicates" in the list utilities library to reflect that the last match is kept
+* fixed "do in parallel" block in parallelization library
 
 ### 2022-02-07
 * lists: fixed JSON encoding for nested lists
diff --git a/libraries/parallel_module.xml b/libraries/parallel_module.xml
index 72d1c52c..ef196f0f 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 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 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"><list><script></script></list></custom-block></script></block></script></block-definition></blocks>
\ No newline at end of file
+<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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