diff --git a/doc/user/GC3-Release.info b/doc/user/GC3-Release.info
index 17e8590c9..8fe632917 100644
--- a/doc/user/GC3-Release.info
+++ b/doc/user/GC3-Release.info
@@ -180,6 +180,15 @@ plot power distribution for a season or month or any number of
 sophisticated date ranges (we also added lots of advance ways to
 express date ranges).
 
+In addition to plotting distribution charts for ride data you can also
+now plot distribution charts for activity metrics. So, for example, you
+can plot a distribution of ride intensity factors to see intensity mix
+for a season or date range. Additionally, you can choose to plot that
+as say ride time, i.e. how much time have I spent over the last season
+at different intensities. Or perhaps you would like to plot TSS that has
+been accumulated over the season by intensity of ride. You can do that
+in version 3.
+
 Lastly, we have also extended the CP curve to plot more than just
 power. It will now plot a mean max curve for HR, Power, Speed, Cadence,
 xPower, NP et al. And we even added VAM too, for you mountain goats.
@@ -307,6 +316,6 @@ not be forgotten. Cheers Guys.
 Tag Table:
 Node: Top0
 Node: WHATS NEW310
-Node: CONTRIBUTORS9392
+Node: CONTRIBUTORS9906
 
 End Tag Table
diff --git a/doc/user/GC3-Release.pdf b/doc/user/GC3-Release.pdf
index 918c6b3e0..03b99bc3e 100644
Binary files a/doc/user/GC3-Release.pdf and b/doc/user/GC3-Release.pdf differ
diff --git a/doc/user/GC3-Release.texinfo b/doc/user/GC3-Release.texinfo
index 7586aff39..13c1292d3 100644
--- a/doc/user/GC3-Release.texinfo
+++ b/doc/user/GC3-Release.texinfo
@@ -176,6 +176,13 @@ We can now do that -- allowing you to plot power distribution for a season or mo
 or any number of sophisticated date ranges (we also added lots of advance ways to
 express date ranges).
 
+In addition to plotting distribution charts for ride data you can also now plot
+distribution charts for activity metrics. So, for example, you can plot a distribution
+of ride intensity factors to see intensity mix for a season or date range. Additionally,
+you can choose to plot that as say ride time, i.e. how much time have I spent over the
+last season at different intensities. Or perhaps you would like to plot TSS that has
+been accumulated over the season by intensity of ride. You can do that in version 3.
+
 Lastly, we have also extended the CP curve to plot more than just power. It will
 now plot a mean max curve for HR, Power, Speed, Cadence, xPower, NP et al. And we
 even added VAM too, for you mountain goats.