Slightly adjusted the printed messages

entrypoint.sh

@@ -39,13 +39,12 @@ esac
 # Install plugins
 if [ -n "$INPUT_PRETTIER_PLUGINS" ]; then
     for plugin in $INPUT_PRETTIER_PLUGINS; do
-        echo "checking $plugin"
+        echo "Checking plugin: $plugin"
         # check regex against @prettier/xyz
         if ! echo "$plugin" | grep -Eq '(@prettier\/)+(plugin-[a-z\-]+)'; then
-            echo "$plugin does not seem to be a valid @prettier/plugin-x plugin."
+            echo "$plugin does not seem to be a valid @prettier/plugin-x plugin. Exiting."
             exit 1
         fi
-        echo "$plugin seem to be a valid Prettier plugin"
     done
     npm install --silent --global $INPUT_PRETTIER_PLUGINS
 fi