Spell `necessary' correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ProgrammersManual.html b/docs/ProgrammersManual.html
index 6c26598..be40ba3 100644
--- a/docs/ProgrammersManual.html
+++ b/docs/ProgrammersManual.html
@@ -1452,7 +1452,7 @@
 <li><tt>Function::BasicBlockListType &amp;getBasicBlockList()</tt><p>
 
 Returns the list of <a href="#BasicBlock"><tt>BasicBlock</tt></a>s.  This is
-neccesary to use when you need to update the list or perform a complex action
+necessary to use when you need to update the list or perform a complex action
 that doesn't have a forwarding method.<p>
 
 
@@ -1467,7 +1467,7 @@
 <li><tt>Function::ArgumentListType &amp;getArgumentList()</tt><p>
 
 Returns the list of <a href="#Argument"><tt>Argument</tt></a>s.  This is
-neccesary to use when you need to update the list or perform a complex action
+necessary to use when you need to update the list or perform a complex action
 that doesn't have a forwarding method.<p>
 
 
@@ -1583,7 +1583,7 @@
 <li><tt>Module::FunctionListType &amp;getFunctionList()</tt><p>
 
 Returns the list of <a href="#Function"><tt>Function</tt></a>s.  This is
-neccesary to use when you need to update the list or perform a complex action
+necessary to use when you need to update the list or perform a complex action
 that doesn't have a forwarding method.<p>
 
 <!--  Global Variable -->
@@ -1601,7 +1601,7 @@
 <li><tt>Module::GlobalListType &amp;getGlobalList()</tt><p>
 
 Returns the list of <a href="#GlobalVariable"><tt>GlobalVariable</tt></a>s.
-This is neccesary to use when you need to update the list or perform a complex
+This is necessary to use when you need to update the list or perform a complex
 action that doesn't have a forwarding method.<p>