Fix typo in README.md

8 jobs for develop in 9 minutes and 3 seconds (queued for 64 minutes)
Status Name Job ID Coverage
  Build Shared
passed android-arm64-v8a #35015

00:00:57

passed android-arm64-v8a-gles3 #35017

00:00:59

passed android-armeabi-v7a #35014

00:00:58

passed android-armeabi-v7a-gles3 #35016

00:00:59

passed libretro-build-linux-x64 #35012

00:01:06

passed libretro-build-windows-x64-mingw #35013

00:01:29

 
  Build Static
passed libretro-build-libnx-aarch64 #35018

00:03:31

 
  Test
passed code_quality #35019

00:01:15