diff --git a/CPU-profiling-using-perf.md b/CPU-profiling-using-perf.md
index 6801dcf..6c73a08 100644
--- a/CPU-profiling-using-perf.md
+++ b/CPU-profiling-using-perf.md
@@ -37,9 +37,9 @@ perf record --compression-level=1 --user-callchains -g --call-graph=dwarf,65528
   Below is an explanation of what each of the command line flags do:
   `perf record` Runs a command under a sampling profiler. See `perf-record(1)`
 
-  `--compression-level=1` *optional* Compresses the output file using zstd.
+  `--compression-level=1` *Optional* Compresses the output file using zstd.
 
-  `--user-callchains` Do not record the kernel.
+  `--user-callchains` *Optional* Do not record the kernel.
 
   `-g --call-graph=dwarf,65528` Use dwarf symbols and a maximum stack size of 64k. If this option is omitted, inlined functions might not be visualized correctly.