[docs] Fix formatting.

llvm-svn: 351406

Author: Eli Friedman

llvm/docs/CompilerWriterInfo.rst

@@ -26,7 +26,7 @@ AArch64 & ARM
 
 * `ARM C Language Extensions <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053c/IHI0053C_acle_2_0.pdf>`_
 
-* `ARM NEON Intrinsics Reference http://infocenter.arm.com/help/topic/com.arm.doc.ihi0073b/IHI0073B_arm_neon_intrinsics_ref.pdf>`_
+* `ARM NEON Intrinsics Reference <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0073b/IHI0073B_arm_neon_intrinsics_ref.pdf>`_
 
 * AArch32 `ABI Addenda and Errata <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045d/IHI0045D_ABI_addenda.pdf>`_