Fix typos in MissingFail.md

PiperOrigin-RevId: 694473171

docs/bugpattern/MissingFail.md

@@ -1,4 +1,4 @@
-When testing for exceptions in junit, it is easy to forget the call to `fail()`:
+When testing for exceptions in JUnit, it is easy to forget the call to `fail()`:
 
 ```java
 try {
@@ -16,7 +16,7 @@ import static org.junit.Assert.fail;
 
 try {
   someOperationThatShouldThrow();
-  fail()
+  fail();
 } catch (SomeException expected) {
   assertThat(expected).hasMessage("Operation failed");
 }
@@ -81,5 +81,5 @@ characteristics are present:
 
 *   A field assignment in the catch block.
 *   A call to `assertTrue/False(boolean variable or field)` in the catch block.
-*   The last statement in the `try` block is an `assert*()` (that is not a noop:
-    `assertFalse(false)`, `assertTrue(true))` or `Mockito.verify()` call.
+*   The last statement in the `try` block is an `assert*()` (that is not a
+    noop): `assertFalse(false)`, `assertTrue(true))` or `Mockito.verify()` call.