diff --git a/Enumeration-Assignments-for-the-Telemetry-Histograms.md b/Enumeration-Assignments-for-the-Telemetry-Histograms.md
index e27a500..0193c7d 100644
--- a/Enumeration-Assignments-for-the-Telemetry-Histograms.md
+++ b/Enumeration-Assignments-for-the-Telemetry-Histograms.md
@@ -59,7 +59,7 @@ The PDF document compression stream types used
 4 - JPX
 5 - JBIG
 6 - A85
-7 - AHX
+7 - AHx
 8 - CCF
 9 - RL
 10 - Reserved