diff --git a/README.md b/README.md
index 6809aa3..33bc93c 100644
--- a/README.md
+++ b/README.md
@@ -607,7 +607,7 @@ This is a list of useful programs to help you write and debug C code which are *
 * [GNU Global](https://www.gnu.org/software/global/) - Source code tagging tool which works with C. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
 * [gprof](http://www.gnu.org/software/binutils/) - Performance analysis tool. Part of GNU binutils. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
 * [Highlight](http://www.andre-simon.de/index.php) - Converts source code to formatted text with nice highlighting. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
-* [include-what-you-use](https://github.com/include-what-you-use/include-what-you-use) - Helps find unecessary inclusions and make suggestions for fixing them. Based on LLVM/Clang (and only works with it). [`NCSA`](https://directory.fsf.org/wiki/License:NCSA)
+* [include-what-you-use](https://github.com/include-what-you-use/include-what-you-use) - Helps find unnecessary inclusions and make suggestions for fixing them. Based on LLVM/Clang (and only works with it). [`NCSA`](https://directory.fsf.org/wiki/License:NCSA)
 * [indent](https://www.gnu.org/software/indent/) - Formats C source code automatically to make it easier to read. Also converts from one style of source to another. [`GNU GPLv3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
 * [rr](https://rr-project.org/) - Debugger that records non-deterministic executions to allow for deterministic debugging. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
 * [tup](http://gittup.org/tup/index.html) - Very fast, file-based, cross-platform build system. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)