wcat -> wisconsin cat (not zip)

initial-utilities/README.md

@@ -6,7 +6,7 @@
 In this project, you'll build a few different UNIX utilities, simple versions
 of commonly used commands like **cat**, **ls**, etc. We'll call each of them a
 slightly different name to avoid confusion; for example, instead of **cat**,
-you'll be implementing **wcat** (i.e., "wisconsin" zip).
+you'll be implementing **wcat** (i.e., "wisconsin" cat).
 
 Objectives:
 * Re-familiarize yourself with the C programming language