Merge pull request #267 from aquaproj/docs/fix-installer-script

docs: fix the description of installer-script

README.md

@@ -94,7 +94,7 @@ https://aquaproj.github.io/docs/tutorial-extras/split-config
 
 ### `installer-script` Preset
 
-The preset `installer-script` updates the shell script aqua-installer and aqua itself.
+The preset `installer-script` updates the shell script aqua-installer and aqua.
 You have to pass fileMatch as parameter.
 
 ```json
@@ -109,6 +109,21 @@ You have to pass fileMatch as parameter.
 curl -sSfL https://raw.githubusercontent.com/aquaproj/aqua-installer/v1.1.2/aqua-installer | bash -s -- -v v1.25.0
 ```
 
+:warning: To update aqua, please don't add newlines.
+
+:thumbsup:
+
+```sh
+curl -sSfL https://raw.githubusercontent.com/aquaproj/aqua-installer/v1.1.2/aqua-installer | bash -s -- -v v1.25.0
+```
+
+:thumbsdown:
+
+```sh
+curl -sSfL https://raw.githubusercontent.com/aquaproj/aqua-installer/v1.1.2/aqua-installer |
+  bash -s -- -v v1.25.0 # aqua isn't updated
+```
+
 ## License
 
 [MIT](LICENSE)