Fix spelling.

llvm-svn: 12287
diff --git a/llvm/docs/Stacker.html b/llvm/docs/Stacker.html
index 835c838..b8431d2 100644
--- a/llvm/docs/Stacker.html
+++ b/llvm/docs/Stacker.html
@@ -346,7 +346,7 @@
 carefully. Then, read it again.<p>
 <p>Here are some handy tips that I discovered along the way:</p>
 <ul>
-    <li><em>Unitialized means external.</em> That is, the symbol is declared in the current
+    <li><em>Uninitialized means external.</em> That is, the symbol is declared in the current
     module and can be used by that module, but it is not defined by that module.</li>
     <li><em>Setting an initializer changes a global' linkage type.</em> Setting an 
     initializer changes a global's linkage type from whatever it was to a normal,