diff --git a/cspell.json b/cspell.json
index cf626b3d..1e9b84e3 100644
--- a/cspell.json
+++ b/cspell.json
@@ -35,6 +35,7 @@
     "oper",
     "outdir",
     "plog",
+    "powi",
     "ptrs",
     "rchunks",
     "readback",