diff --git a/package.json b/package.json
index 60df377..431210e 100644
--- a/package.json
+++ b/package.json
@@ -94,8 +94,8 @@
       "properties": {
         "php.memoryLimit": {
           "type": "string",
-          "default": "-1",
-          "description": "The memory limit of the php language server. [Number][K|M|G]. Use '-1' to allow unlimited use of the RAM(default).",
+          "default": "4G",
+          "description": "The memory limit of the php language server. [Number][K|M|G]. Use '-1' to allow unlimited use of the RAM (default is 4G).",
           "pattern": "^\\d+[KMG]?$"
         },
         "php.executablePath": {