update readme and install script

Author: simbo

README.md

@@ -21,11 +21,11 @@ Run this command in your project's root directory to install the release script:
 curl -o- https://raw.githubusercontent.com/simbo/release-version-script/latest/install.sh | bash
 ```
 
-Afterward, you can run the `./release` command at any time to create and push a
-new tag with semantic versioning:
+Afterward, you can run the `./release.sh` command at any time to create and push
+a new tag with semantic versioning:
 
 ```sh
-./release UPDATE
+./release.sh UPDATE
 ```
 
 Allowed values for `UPDATE` are `major`, `minor` or `patch`.

install.sh

@@ -9,7 +9,7 @@ b=$(tput -T$t setaf 12)
 u=$(tput -T$t smul)
 x=$(tput -T$t sgr0)
 
-script="release"
+script="release.sh"
 
 if [[ -f $script ]] && ! grep -q "simbo/release-version-script" $script; then
   printf "\n${r}ERROR: file '${script}' already exists\n"