diff --git a/AdvLoggerPkg/Docs/ReadMe.md b/AdvLoggerPkg/Docs/ReadMe.md
index 831fe471f6..d7a91fb1e5 100644
--- a/AdvLoggerPkg/Docs/ReadMe.md
+++ b/AdvLoggerPkg/Docs/ReadMe.md
@@ -247,6 +247,12 @@ and the follow change is needed in the .fdf:
 The v3 data header supports a new field of hardware debugging level to support setting the serial print configurable
 during boot time.
 
+All debug prints will be filtered by multiple build time flags, such as `PcdDebugPrintErrorLevel`, `MDEPKG_NDEBUG`, etc.
+These prints that passes such filters will be logged to memory, and then fed to the hardware port library to be checked
+against the hardware print level. A full data flow chart is shown below:
+
+![Debug Logging Level Filters](debug_log_level.png)
+
 The default value will be initialized to the value of `PcdAdvancedLoggerHdwPortDebugPrintErrorLevel` in the PEI core,
 DXE core, or MM core, whichever comes first during the boot process.
 
diff --git a/AdvLoggerPkg/Docs/debug_log_level.png b/AdvLoggerPkg/Docs/debug_log_level.png
new file mode 100644
index 0000000000..1b573ada61
Binary files /dev/null and b/AdvLoggerPkg/Docs/debug_log_level.png differ