[doc] Bug Fix: Catloop in Build Instructions
@@ -30,6 +30,9 @@ make
# Build Demikernel with I/O Uring LibOS.
make LIBOS=catcollar
+# Build Demikernel with TCP Socket Loopback LibOS.
+make LIBOS=catloop
+
# Build Demikernel with Shared Memory LibOS.
make LIBOS=catmem
