diff --git a/README.md b/README.md
index 4b6feb1..bec09df 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,11 @@
 This tool is used for fetching releases from SWTOR’s patch server CDN and installing them.
 
 # Installation
-For this tool to work, ```tsc``` and ```tslint``` must be globally available, e.g. by running:
+For this tool to work, ```tsc```, ```tslint``` and ```xdelta3``` must be globally available, e.g. by running:
 
 ```bash
-npm install -g typescript tslint
+sudo npm install -g typescript tslint
+sudo apt-get install xdelta3
 ```
 
 Transpile the TypeScript files to JavaScript by running:
diff --git a/src/installPatch.ts b/src/installPatch.ts
index f954982..c60ac9a 100644
--- a/src/installPatch.ts
+++ b/src/installPatch.ts
@@ -25,6 +25,13 @@ if (!to.match(/^(0|[1-9][0-9]{0,2})$/)) {
   failFunction(`to value "${to.substring(0, 300)}" is not a valid integer; it must be in range [0, 999].`);
 }
 
+//TODO: set directory with existing patch data
+//TODO: set target directory where patch should be installed
+//TODO: set temp directory where patch files should be stored.
+//TODO: set location of xdelta3 executable
+//TODO: set from=any so it detects current version automatically
+//TODO: set to=manifest/current to install whatever is the current version in manifest/on CDN
+
 (async () => {
   const patch = await getPatch(product as Product, Number(from), Number(to));
   //console.log(patch);