diff --git a/llvm/docs/TestingGuide.html b/llvm/docs/TestingGuide.html
index 9e4a40ade8d0..28a5e8a983d9 100644
--- a/llvm/docs/TestingGuide.html
+++ b/llvm/docs/TestingGuide.html
@@ -601,7 +601,7 @@ name="FileCheck-CHECK-NOT">The "CHECK-NOT:" directive</a></div>
 <div class="doc_text">
 
 <p>The CHECK-NOT: directive is used to verify that a string doesn't occur
-between two matches (or the first matches and the beginning of the file).  For
+between two matches (or the first match and the beginning of the file).  For
 example, to verify that a load is removed by a transformation, a test like this
 can be used:</p>