Index: docs/LangRef.rst
===================================================================
--- docs/LangRef.rst
+++ docs/LangRef.rst
@@ -622,6 +622,12 @@
 Additionally, the global can placed in a comdat if the target has the necessary
 support.
 
+External declarations may have an explicit section specified. When generating 
+LLVM IR, external declarations are ignored and the variables are emitted on 
+their first use. While sections are not generated in the object file 
+corresponding to the LLVM module, section information specified in the 
+declaration is retained in LLVM IR to enable OpenCL processes.
+
 By default, global initializers are optimized by assuming that global
 variables defined within the module are not modified from their
 initial values before the start of the global initializer. This is