diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index f8191c5..0a55bc8 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -119,7 +119,7 @@
                                  double AbsTol, double RelTol,
                                  std::string *Error) {
   try {
-    // Check for zero length files becasue some systems croak when you try to
+    // Check for zero length files because some systems croak when you try to
     // mmap an empty file.
     size_t A_size = FileA.getSize();
     size_t B_size = FileB.getSize();