diff --git a/tests/resources/spellcheck/stopwords.txt b/tests/resources/spellcheck/stopwords.txt
index 55c3a5894..d68d047ca 100644
--- a/tests/resources/spellcheck/stopwords.txt
+++ b/tests/resources/spellcheck/stopwords.txt
@@ -56,6 +56,7 @@ cpu-utilization-5s
 --critical-cpu-utilization
 --critical-na
 --critical-total-cpu-utilization
+CX
 Datacore
 datasource
 DC4