Fix a typo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34826 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ProgrammersManual.html b/docs/ProgrammersManual.html
index 031c86b..bde2ae0 100644
--- a/docs/ProgrammersManual.html
+++ b/docs/ProgrammersManual.html
@@ -2630,7 +2630,7 @@
       <li><tt>uint64_t getZExtValue() const</tt>: Converts the underlying APInt
       value to a uint64_t via zero extension. IF the value (not the bit width)
       of the APInt is too large to fit in a uint64_t, an assertion will result.
-      For this reason, use of this method is discourage.</li>
+      For this reason, use of this method is discouraged.</li>
       <li><tt>static ConstantInt* get(const APInt&amp; Val)</tt>: Returns the
       ConstantInt object that represents the value provided by <tt>Val</tt>.
       The type is implied as the IntegerType that corresponds to the bit width