diff --git a/README.md b/README.md
index 204e4b3..b57ab61 100644
--- a/README.md
+++ b/README.md
@@ -226,6 +226,12 @@ $ git submodule add https://github.com/elm-community/Elm.tmLanguage.git
 Note that you can also only copy manually the updated syntax definition file but this means
 Gutenberg won't be able to automatically update it.
 
+You can check for any updates to the current packages by running:
+
+```bash
+$ git submodule update --remote --merge
+```
+
 And finally from the root of the repository run the following command:
 
 ```bash
diff --git a/examples/generate_sublime.rs b/examples/generate_sublime.rs
index 82beef8..3f73ae9 100644
--- a/examples/generate_sublime.rs
+++ b/examples/generate_sublime.rs
@@ -30,6 +30,10 @@ fn main() {
             ps.load_plain_text_syntax();
             ps.load_syntaxes(package_dir, false).unwrap();
             dump_to_file(&ps, packpath_nonewlines).unwrap();
+
+            for s in ps.syntaxes() {
+                println!("Add {} -> {:?}", s.name, s.file_extensions);
+            }
         },
         (Some(ref cmd), Some(ref theme_dir), Some(ref packpath), None) if cmd == "themepack" => {
             let ts = ThemeSet::load_from_folder(theme_dir).unwrap();
diff --git a/sublime_syntaxes/Assembly x86.sublime-syntax b/sublime_syntaxes/Assembly x86.sublime-syntax
index 0500e2c..98a74a6 100644
--- a/sublime_syntaxes/Assembly x86.sublime-syntax	
+++ b/sublime_syntaxes/Assembly x86.sublime-syntax	
@@ -5,6 +5,7 @@ name: Assembly x86 (NASM)
 file_extensions:
   - asm
   - inc
+  - nasm
 scope: source.assembly
 contexts:
   main:
diff --git a/sublime_syntaxes/newlines.packdump b/sublime_syntaxes/newlines.packdump
index 3d0f6c2..1830069 100644
Binary files a/sublime_syntaxes/newlines.packdump and b/sublime_syntaxes/newlines.packdump differ
diff --git a/sublime_syntaxes/nonewlines.packdump b/sublime_syntaxes/nonewlines.packdump
index 2cae053..e5c1780 100644
Binary files a/sublime_syntaxes/nonewlines.packdump and b/sublime_syntaxes/nonewlines.packdump differ
diff --git a/sublime_syntaxes/sublimeassembly b/sublime_syntaxes/sublimeassembly
index 41f2b92..150352f 160000
--- a/sublime_syntaxes/sublimeassembly
+++ b/sublime_syntaxes/sublimeassembly
@@ -1 +1 @@
-Subproject commit 41f2b92d326d35c3a9261da4f99a43b4ad7f07e8
+Subproject commit 150352f4d89d7fde48b18cc4b046385a6e926c96