typo

geoschem · Mar 12, 2018 · 508839e · 508839e
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commit 508839e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/source/chapter03_advanced-tutorial/hpc-overview.rst b/doc/source/chapter03_advanced-tutorial/hpc-overview.rst
@@ -32,7 +32,7 @@ In any case, understand basic AWS services and concepts (finish all the beginner
 HPC cluster management tools
 ----------------------------
 
-Many cloud-HPC tools have been developed over the past 10+ years, but only a few has have relatively large community. They are introduced below. I personally recommend AlcesFlight, according to the current development status of these tools.
+Many cloud-HPC tools have been developed over the past 10+ years, but only a few have relatively large communities. They are introduced below. I personally recommend AlcesFlight, according to the current development status of these tools.
 
 CfnCluster
 ^^^^^^^^^^