diff --git a/README.md b/README.md
index 0f52a91..9a89adb 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ and use `-f <filename>` or `--values=<filename>` to set them.
 Let's set some variables for convenient use later.
 
 ```shell
-export SKYWALKING_RELEASE_VERSIOIN=4.3.0  # change the release version according to your need
+export SKYWALKING_RELEASE_VERSION=4.3.0  # change the release version according to your need
 export SKYWALKING_RELEASE_NAME=skywalking  # change the release name according to your scenario
 export SKYWALKING_RELEASE_NAMESPACE=default  # change the namespace to where you want to install SkyWalking
 ```
@@ -41,7 +41,7 @@ export SKYWALKING_RELEASE_NAMESPACE=default  # change the namespace to where you
 ```shell
 helm install "${SKYWALKING_RELEASE_NAME}" \
   oci://registry-1.docker.io/apache/skywalking-helm \
-  --version "${SKYWALKING_RELEASE_VERSIOIN}" \
+  --version "${SKYWALKING_RELEASE_VERSION}" \
   -n "${SKYWALKING_RELEASE_NAMESPACE}" \
   --set oap.image.tag=9.2.0 \
   --set oap.storageType=elasticsearch \