diff --git a/extensions/glsl/languages/glsl/injections.scm b/extensions/glsl/languages/glsl/injections.scm
new file mode 100644
index 0000000000000000000000000000000000000000..2f0e58eb6431515b86b6042e5828263341513e99
--- /dev/null
+++ b/extensions/glsl/languages/glsl/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+  (#set! injection.language "comment"))
diff --git a/extensions/proto/languages/proto/injections.scm b/extensions/proto/languages/proto/injections.scm
new file mode 100644
index 0000000000000000000000000000000000000000..2f0e58eb6431515b86b6042e5828263341513e99
--- /dev/null
+++ b/extensions/proto/languages/proto/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+  (#set! injection.language "comment"))