1 files changed, 2 insertions, 2 deletions

diff --git a/docs/how_keyboards_work.md b/docs/how_keyboards_work.md
index 0772f055d..5697a2187 100644
--- a/docs/how_keyboards_work.md
+++ b/docs/how_keyboards_work.md
@@ -63,10 +63,10 @@ You may wonder why a keyboard layout containing all of Unicode is not devised th
 
 ## How to (Maybe) Enter Unicode Characters
 
-You can have the firmware send *sequences of keys* to use the [software Unicode Input Method](https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_code_input) of the target operating system, thus effectively entering characters independently of the layout defined in the OS.
+You can have the firmware send *sequences of keys* to use the [software Unicode Input Method](https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_input) of the target operating system, thus effectively entering characters independently of the layout defined in the OS.
 
 Yet, it does come with multiple disadvantages:
 
- - Tied to a specific OS a a time (need recompilation when changing OS);
+ - Tied to a specific OS at a time (need recompilation when changing OS);
  - Within a given OS, does not work in all software;
  - Limited to a subset of Unicode on some systems.