Update src/alias.zig

Co-authored-by: hndrk <51416554+hendriknielaender@users.noreply.github.com>

src/alias.zig

@@ -32,7 +32,7 @@ pub fn set_version(version: []const u8, is_zls: bool) !void {
         if (err != error.FileNotFound)
             return err;
 
-        std.debug.print("zig {s} is not installed, please install it!\n", .{version});
+        std.debug.print("zig version {s} is not installed. Please install it before proceeding.\n", .{version});
         std.process.exit(1);
     };