update spec dates for OpenCL 2.2 specs, rev 8
diff --git a/index.php b/index.php
index 240cf20..1873edf 100644
--- a/index.php
+++ b/index.php
@@ -35,27 +35,27 @@
<li> OpenCL 2.2 API Specification
(<a href="specs/2.2/html/OpenCL_API.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_API.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> OpenCL 2.2 Extension Specification
(<a href="specs/2.2/html/OpenCL_Ext.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_Ext.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> OpenCL SPIR-V Environment Specification
(<a href="specs/2.2/html/OpenCL_Env.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_Env.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> OpenCL C Language Specification
(<a href="specs/2.2/html/OpenCL_C.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_C.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> OpenCL C++ Language Specification
(<a href="specs/2.2/html/OpenCL_Cxx.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_Cxx.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> OpenCL ICD Installation Guide Specification
(<a href="specs/2.2/html/OpenCL_ICD_Installation.html">HTML</a>)
(<a href="specs/2.2/pdf/OpenCL_ICD_Installation.pdf">PDF</a>)
- (May 12, 2018). </li>
+ (October 8, 2018). </li>
<li> The <a href="https://www.khronos.org/registry/spir-v/"> OpenCL Extended
Instruction Set for SPIR-V</a> is included as part of the SPIR-V
registry.
