diff --git a/README.html b/README.html
index aa61121..cd745df 100644
--- a/README.html
+++ b/README.html
@@ -628,10 +628,10 @@ lower-power models to keep audio and video synchronized using
 timestamps. In Legacy Raspberry Pi OS (Bullseye), raspi-config
 “Performance Options” allows specifying how much memory to allocate to
 the GPU, but this setting appears to be absent in Bookworm (but it can
-still be set to e.g. 128GB by adding a line “gpu_mem=128” in
-/boot/config.txt). A Pi Zero 2 W (which has 512GB memory) worked well
-when tested in 32 bit Bullseye or Bookworm Lite with 128GB allocated to
-the GPU (default seems to be 64GB).</p>
+still be set to e.g. 128MB by adding a line “gpu_mem=128” in
+/boot/config.txt). A Pi Zero 2 W (which has 512MB memory) worked well
+when tested in 32 bit Bullseye or Bookworm Lite with 128MB allocated to
+the GPU (default seems to be 64MB).</p>
 <p>The basic uxplay options for R Pi are
 <code>uxplay [-vs &lt;videosink&gt;]</code>. The choice
 <code>&lt;videosink&gt;</code> = <code>glimagesink</code> is sometimes
diff --git a/README.md b/README.md
index 3377cbc..f913862 100644
--- a/README.md
+++ b/README.md
@@ -502,9 +502,9 @@ See [Usage](#usage) for more run-time options.
 
 Even with GPU video decoding, some frames may be dropped by the lower-power models  to keep audio and video synchronized
 using timestamps.   In Legacy Raspberry Pi OS (Bullseye), raspi-config "Performance Options" allows specifying how much memory
-to allocate to the GPU, but this setting appears to be absent in Bookworm (but it can still be set to e.g. 128GB by adding a line  "gpu_mem=128" in /boot/config.txt).
-A Pi Zero 2 W (which has 512GB memory)  worked well when tested in 32 bit Bullseye or Bookworm Lite 
-with 128GB allocated to the GPU (default seems to be 64GB).
+to allocate to the GPU, but this setting appears to be absent in Bookworm (but it can still be set to e.g. 128MB by adding a line  "gpu_mem=128" in /boot/config.txt).
+A Pi Zero 2 W (which has 512MB memory)  worked well when tested in 32 bit Bullseye or Bookworm Lite 
+with 128MB allocated to the GPU (default seems to be 64MB).
 
 The basic uxplay options for R Pi are ```uxplay [-vs <videosink>]```. The
 choice `<videosink>` = ``glimagesink`` is sometimes useful. 
diff --git a/README.txt b/README.txt
index 6532296..d464317 100644
--- a/README.txt
+++ b/README.txt
@@ -626,10 +626,10 @@ lower-power models to keep audio and video synchronized using
 timestamps. In Legacy Raspberry Pi OS (Bullseye), raspi-config
 "Performance Options" allows specifying how much memory to allocate to
 the GPU, but this setting appears to be absent in Bookworm (but it can
-still be set to e.g. 128GB by adding a line "gpu_mem=128" in
-/boot/config.txt). A Pi Zero 2 W (which has 512GB memory) worked well
-when tested in 32 bit Bullseye or Bookworm Lite with 128GB allocated to
-the GPU (default seems to be 64GB).
+still be set to e.g. 128MB by adding a line "gpu_mem=128" in
+/boot/config.txt). A Pi Zero 2 W (which has 512MB memory) worked well
+when tested in 32 bit Bullseye or Bookworm Lite with 128MB allocated to
+the GPU (default seems to be 64MB).
 
 The basic uxplay options for R Pi are `uxplay [-vs <videosink>]`. The
 choice `<videosink>` = `glimagesink` is sometimes useful. With the