diff --git a/docs-index.html b/docs-index.html
index 31df626..76c870e 100644
--- a/docs-index.html
+++ b/docs-index.html
@@ -5,7 +5,7 @@
     <h1>Documentation Files</h1>
     <ul>
       <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/_getFactoryInstance.md" target="_blank">_getFactoryInstance.md</a></li>
-<li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/allocate.md" target="_blank">allocate.md</a></li>
+<li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/alloc.md" target="_blank">alloc.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/analyzing_code.md" target="_blank">analyzing_code.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/assertionFailureFunction.md" target="_blank">assertionFailureFunction.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/assertion_failure.md" target="_blank">assertion_failure.md</a></li>
@@ -14,13 +14,11 @@ <h1>Documentation Files</h1>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/binary.md" target="_blank">binary.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/blame.md" target="_blank">blame.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/bpp.md" target="_blank">bpp.md</a></li>
-<li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/bufIndexOf.md" target="_blank">bufIndexOf.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/bufferHash.md" target="_blank">bufferHash.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/buffers_vs_arrays.md" target="_blank">buffers_vs_arrays.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/bytes.md" target="_blank">bytes.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/cache.md" target="_blank">cache.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/decoder.md" target="_blank">decoder.md</a></li>
-<li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/destroy-all-sprites.md" target="_blank">destroy-all-sprites.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/dmesg.md" target="_blank">dmesg.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/dump.md" target="_blank">dump.md</a></li>
 <li><a href="https://raw.githubusercontent.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/master/docs/exportModifier.md" target="_blank">exportModifier.md</a></li>
diff --git a/docs/alloc.md b/docs/alloc.md
new file mode 100644
index 0000000..1fe1a8a
--- /dev/null
+++ b/docs/alloc.md
@@ -0,0 +1,4 @@
+## Allocate
+
+Allocate (in computing) means to reserve a portion of memory for use by a computer program.
+