Changes for #inclusivefixit.

Test: treehugger
Change-Id: I7ff0496c5c2792a41781e74634247f55b0548213
diff --git a/libc/bionic/pthread_attr.cpp b/libc/bionic/pthread_attr.cpp
index 1551c1f..89aa289 100644
--- a/libc/bionic/pthread_attr.cpp
+++ b/libc/bionic/pthread_attr.cpp
@@ -192,7 +192,8 @@
     return errno;
   }
 
-  // If the current RLIMIT_STACK is RLIM_INFINITY, only admit to an 8MiB stack for sanity's sake.
+  // If the current RLIMIT_STACK is RLIM_INFINITY, only admit to an 8MiB stack
+  // in case callers such as ART take infinity too literally.
   if (stack_limit.rlim_cur == RLIM_INFINITY) {
     stack_limit.rlim_cur = 8 * 1024 * 1024;
   }