diff --git a/syntax/SublimeText/CurlyWASM.sublime-completions b/syntax/SublimeText/CurlyWASM.sublime-completions
index 677ef8b..bd3901f 100644
--- a/syntax/SublimeText/CurlyWASM.sublime-completions
+++ b/syntax/SublimeText/CurlyWASM.sublime-completions
@@ -442,6 +442,18 @@
             "details": "export fn upd(): Called once per frame",
             "kind": "support.function"
         },
+        {
+            "trigger": "memory.fill",
+            "contents": "memory.fill(${1:dest}, ${2:value}, ${3:size});",
+            "details": "memory.fill(dest: i32, value: i32, size: i32): Fills a memory area",
+            "kind": "support.function"
+        },
+        {
+            "trigger": "memory.copy",
+            "contents": "memory.copy(${1:dest}, ${2:src}, ${3:size});",
+            "details": "memory.copy(dest: i32, src: i32, size: i32): Copies a memory block",
+            "kind": "support.function"
+        },
         {
             "trigger": "sqrt",
             "contents": "sqrt(${1:x})",