Small fixes

Author: tomansill

.gitignore

@@ -1,5 +1,5 @@
 target/
 **/*.iml
 *.iml
-.attached_pid*
+.attach_pid*
 .idea/

README.md

@@ -33,8 +33,8 @@ I think `IllegalArgumentException` is more appropriate exception to best describ
 For now, you need to build and install it on your machine.
 
 ```bash
-$ git clone https://github.com/tomansill/java-validation
-$ cd java-validation
+$ git clone https://github.com/tomansill/javavalidation
+$ cd javavalidation
 $ mvn install
 ```
 

pom.xml

@@ -15,6 +15,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
                 <configuration>
                     <source>8</source>
                     <target>8</target>