Fix readme links.

Links to explanatory sections don't include the bulb emoji so they're broken.

README.md

@@ -6,7 +6,7 @@
 <details>
 <summary><b>This is not the same thing as nvm!</b> (expand for details)</summary>
 
-_The original [nvm](https://github.com/nvm-sh/nvm) is a completely separate project for Mac/Linux only._ This project uses an entirely different philosophy and is not just a clone of nvm. Details are listed in [Why another version manager?](https://github.com/coreybutler/nvm-windows#why-another-version-manager) and [what&#39;s the big difference?](https://github.com/coreybutler/nvm-windows#whats-the-big-difference).
+_The original [nvm](https://github.com/nvm-sh/nvm) is a completely separate project for Mac/Linux only._ This project uses an entirely different philosophy and is not just a clone of nvm. Details are listed in [Why another version manager?](https://github.com/coreybutler/nvm-windows#bulb-why-another-version-manager) and [what&#39;s the big difference?](https://github.com/coreybutler/nvm-windows#bulb-whats-the-big-difference).
 </details>
 
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