diff --git a/libraries/dsp/st/doc/st_histogram_status.txt b/libraries/dsp/st/doc/st_histogram_status.txt
index 4ab3deba65dea03c6a057a497118f6df4e002914..648b455ea7fd14b2d925085f4e699be630c404e2 100644
--- a/libraries/dsp/st/doc/st_histogram_status.txt
+++ b/libraries/dsp/st/doc/st_histogram_status.txt
@@ -9,7 +9,7 @@ new Jira story):
 - add top level functional description (see 2b, 3)
 - explain why common_paged_ram_r_w was not used (see 2a)
 - remove control via MM (see 3, 4, 5a)
-- explain the RAM usage, how many block RAM / signal input (see 3)
+- explain the block RAM usage (see 2b, 3)
 - verify using DC signal (see 5b)
 - verify that sum(bins) has expected constant value every sync interval
   (see 5c)
@@ -52,6 +52,7 @@ implementatie details, bijvoorbeeld zaken als:
   how often the sample value(s) for that bin occur during a sync interval.
 * The sum of the histogram bin values in each sync interval is : sum(bins)
   = N - K (klopt dat)?
+* Block RAM usage overview, how many block RAM per signal input?