It's "a static", not "an static"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.html b/docs/LangRef.html
index d86f248..c1ef75e 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -255,7 +255,7 @@
 
 <div class="doc_text">
 <p>This document is a reference manual for the LLVM assembly language. 
-LLVM is an Static Single Assignment (SSA) based representation that provides
+LLVM is a Static Single Assignment (SSA) based representation that provides
 type safety, low-level operations, flexibility, and the capability of
 representing 'all' high-level languages cleanly.  It is the common code
 representation used throughout all phases of the LLVM compilation