erl_docgen: Add new internal docs chapter to docs

1 files changed, 2 insertions, 2 deletions

diff --git a/erts/emulator/internal_doc/PTables.md b/erts/emulator/internal_doc/PTables.md
index 6fe0e7665d..ef61963a40 100644
--- a/erts/emulator/internal_doc/PTables.md
+++ b/erts/emulator/internal_doc/PTables.md
@@ -85,13 +85,13 @@ following:
 3.  Depending on use, issue appropriate memory barrier.
 
     A common barrier used is a barrier with acquire semantics. On
-    x86/x86_64 this maps to a compiler barrier preventing the compiler
+    x86/x86\_64 this maps to a compiler barrier preventing the compiler
     to reorder instructions, but on other hardware often some kind of
     light weight hardware memory barrier is also needed.
 
     When comparing with a locked approach, at least one heavy weight
     memory barrier will be issued when locking the lock on most, if
-    not all, hardware architectures (including x86/x86_64), and often
+    not all, hardware architectures (including x86/x86\_64), and often
     some kind of light weight memory barrier will be issued when
     unlocking the lock.