diff --git a/spec/var-op-strip.test.sh b/spec/var-op-strip.test.sh
@@ -33,7 +33,7 @@ argv.py ${@%a}
 echo ${undef%suffix}
 # stdout:

-### Remove smallest glob suffix
+### Remove shortest glob suffix
 v=aabbccdd
 echo ${v%c*}
 # stdout: aabbc
@@ -43,7 +43,7 @@ v=aabbccdd
 echo ${v%%c*}
 # stdout: aabb

-### Remove smallest glob prefix
+### Remove shortest glob prefix
 v=aabbccdd
 echo ${v#*b}
 # stdout: bccdd
diff --git a/test/spec.sh b/test/spec.sh
@@ -355,7 +355,7 @@ var-op-other() {

 var-op-strip() {
  sh-spec spec/var-op-strip.test.sh --osh-failures-allowed 5 \
-    ${REF_SHELLS[@]} $OSH "$@"
+    ${REF_SHELLS[@]} $ZSH $OSH "$@"
 }

 var-sub() {