Fixed some punctuation.  Sentences can be combined with semi-colons but not
commas.

llvm-svn: 138043
diff --git a/llvm/docs/LangRef.html b/llvm/docs/LangRef.html
index bed8423..bf834c2 100644
--- a/llvm/docs/LangRef.html
+++ b/llvm/docs/LangRef.html
@@ -8396,7 +8396,7 @@
 <h5>Semantics:</h5>
 <p>This intrinsic allows annotation of local variables with arbitrary strings.
    This can be useful for special purpose optimizations that want to look for
-   these annotations.  These have no other defined use, they are ignored by code
+   these annotations.  These have no other defined use; they are ignored by code
    generation and optimization.</p>
 
 </div>
@@ -8432,7 +8432,7 @@
 <h5>Semantics:</h5>
 <p>This intrinsic allows annotations to be put on arbitrary expressions with
    arbitrary strings.  This can be useful for special purpose optimizations that
-   want to look for these annotations.  These have no other defined use, they
+   want to look for these annotations.  These have no other defined use; they
    are ignored by code generation and optimization.</p>
 
 </div>