Some renames and fix constants.
diff --git a/src/main/java/org/junit/contrib/truth/Truth.java b/src/main/java/org/junit/contrib/truth/Truth.java
index eeabf99..62b22ba 100644
--- a/src/main/java/org/junit/contrib/truth/Truth.java
+++ b/src/main/java/org/junit/contrib/truth/Truth.java
@@ -19,20 +19,21 @@
 import org.junit.internal.AssumptionViolatedException;
 
 public class Truth {
-  public static FailureStrategy THROW_ASSERTION_ERROR = new FailureStrategy() {
-    @Override public void fail(String message) {
-      throw new AssertionError(message);
-    }
-  };
+  public static final FailureStrategy THROW_ASSERTION_ERROR = 
+      new FailureStrategy() {
+        @Override public void fail(String message) {
+          throw new AssertionError(message);
+        }
+      };
 
-  public static FailureStrategy THROW_ASSUMPTION_VIOLATED_EXCEPTION = new FailureStrategy() {
-    @Override public void fail(String message) {
-      throw new AssumptionViolatedException(message);
-    }
-  };
+  public static final FailureStrategy THROW_ASSUMPTION_ERROR = 
+      new FailureStrategy() {
+        @Override public void fail(String message) {
+          throw new AssumptionViolatedException(message);
+        }
+      };
 
-  public static TestVerb ASSERT = new TestVerb(THROW_ASSERTION_ERROR);
+  public static final TestVerb ASSERT = new TestVerb(THROW_ASSERTION_ERROR);
 
-  public static TestVerb ASSUME = new TestVerb(
-      THROW_ASSUMPTION_VIOLATED_EXCEPTION);
+  public static final TestVerb ASSUME = new TestVerb(THROW_ASSUMPTION_ERROR);
 }