Merge pull request #21953 from mpesari/patch-1

Fix build example diff in multi-platform.md

Author: crazy-max

content/manuals/build/building/multi-platform.md

@@ -468,7 +468,7 @@ Steps:
    WORKDIR /app
    ADD https://github.com/dvdksn/buildme.git#eb6279e0ad8a10003718656c6867539bd9426ad8 .
    -RUN go build -o server .
-   RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o server .
+   +RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o server .
 
    FROM alpine
    COPY --from=build /app/server /server