Update params doc

Bug: 182312559
Test: none, comment-only change
Change-Id: Id2c2e4c1c48f76a807022629e8d05ef737e84987
diff --git a/libs/renderengine/skia/filters/LinearEffect.h b/libs/renderengine/skia/filters/LinearEffect.h
index 9e989ea..14a3b61 100644
--- a/libs/renderengine/skia/filters/LinearEffect.h
+++ b/libs/renderengine/skia/filters/LinearEffect.h
@@ -90,10 +90,8 @@
 // matrix transforming from linear XYZ to linear RGB immediately before OETF.
 // We also provide additional HDR metadata upon creating the shader:
 // * The max display luminance is the max luminance of the physical display in nits
-// * The max mastering luminance is provided as the max luminance from the SMPTE 2086
-// standard.
-// * The max content luminance is provided as the max light level from the CTA 861.3
-// standard.
+// * The max luminance is provided as the max luminance for the buffer, either from the SMPTE 2086
+// or as the max light level from the CTA 861.3 standard.
 sk_sp<SkShader> createLinearEffectShader(sk_sp<SkShader> inputShader,
                                          const LinearEffect& linearEffect,
                                          sk_sp<SkRuntimeEffect> runtimeEffect,