Fix double quote

Author: ProjectSynchro

naev/naev-macos/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:20.04
 
 LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
 LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
-LABEL org.opencontainers.image.description "MacOS cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality.""
+LABEL org.opencontainers.image.description "MacOS cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
 
 # Add stable git PPA, deadsnakes ppa for python builds, and llvm apt repository (no building from source yay!)
 RUN apt-get update && apt-get install -y software-properties-common curl apt-transport-https && \