Merge pull request #105 from ultramiraculous/typo-negative

Fix XCTestCase typos
diff --git a/Sources/XCTest/XCTAssert.swift b/Sources/XCTest/XCTAssert.swift
index 3d48b94..83f4d15 100644
--- a/Sources/XCTest/XCTAssert.swift
+++ b/Sources/XCTest/XCTAssert.swift
@@ -129,7 +129,7 @@
 ///   }
 ///   ```
 ///
-///  Calling this assertion will cause XCTest to report the failure occured
+///  Calling this assertion will cause XCTest to report the failure occurred
 ///  in the file where `AssertEmpty()` is defined, and on the line where
 ///  `XCTAssertEqual` is called from within that function:
 ///
diff --git a/Sources/XCTest/XCTestCase.swift b/Sources/XCTest/XCTestCase.swift
index c7c6412..2ca91d1 100644
--- a/Sources/XCTest/XCTestCase.swift
+++ b/Sources/XCTest/XCTestCase.swift
@@ -121,7 +121,7 @@
 
         // FIXME: Apple XCTest does not throw a fatal error and crash the test
         //        process, it merely prevents the remainder of a testClosure
-        //        from execting after it's been determined that it has already
+        //        from expecting after it's been determined that it has already
         //        failed. The following behavior is incorrect.
         // FIXME: No regression tests exist for this feature. We may break it
         //        without ever realizing.
diff --git a/Sources/XCTest/XCTestCaseSuite.swift b/Sources/XCTest/XCTestCaseSuite.swift
index bd979d1..dcf051c 100644
--- a/Sources/XCTest/XCTestCaseSuite.swift
+++ b/Sources/XCTest/XCTestCaseSuite.swift
@@ -8,7 +8,7 @@
 //
 //
 //  XCTestCaseSuite.swift
-//  A test suite associated with a paticular test case class.
+//  A test suite associated with a particular test case class.
 //
 
 #if os(Linux) || os(FreeBSD)