diff --git a/book/en-us/01-intro.md b/book/en-us/01-intro.md
index aa5cd32..94e401f 100644
--- a/book/en-us/01-intro.md
+++ b/book/en-us/01-intro.md
@@ -93,7 +93,7 @@ You should first compile the C code with `gcc`:
 gcc -c foo.c
 ```
 
-Comple and output the `foo.o` file, and link the C++ code to the `.o` file using `clang++` (or both compile to `.o` and then unlink them together):
+Compile and output the `foo.o` file, and link the C++ code to the `.o` file using `clang++` (or both compile to `.o` and then unlink them together):
 
 ```bash
 clang++ 1.1.cpp foo.o -std=c++2a -o 1.1
@@ -146,4 +146,4 @@ Don't worry at the moment, we will come to meet them in our later chapters.
 
 ## Licenses
 
-<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work was written by [Ou Changkun](https://changkun.de) and licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>. The code of this repository is open sourced under the [MIT license](../../LICENSE).
\ No newline at end of file
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work was written by [Ou Changkun](https://changkun.de) and licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>. The code of this repository is open sourced under the [MIT license](../../LICENSE).