Fixed a grammar issue.

llvm-svn: 23966
diff --git a/llvm/docs/BytecodeFormat.html b/llvm/docs/BytecodeFormat.html
index dd39530..e767498 100644
--- a/llvm/docs/BytecodeFormat.html
+++ b/llvm/docs/BytecodeFormat.html
@@ -732,7 +732,7 @@
 </table>
 <p>
 Of particular note, the bytecode format number is simply a 28-bit
-monotonically increase integer that identifies the version of the bytecode
+monotonically increasing integer that identifies the version of the bytecode
 format (which is not directly related to the LLVM release number). The
 bytecode versions defined so far are (note that this document only
 describes the latest version, 1.3):</p>