update ID-52 page

content/equipment/handhelds/icom-id52/index.md

@@ -4,7 +4,7 @@ summary: >
   A really awesome handheld radio -- and it does D-STAR as a
   bonus. Check it out -- it's cool!
 date: 2021-12-10
-lastmod: 2023-10-25T20:41:06+0000
+lastmod: 2023-11-27T17:37:48+0000
 #categories:
 #- amateur-radio
 showBreadcrumbs: true
@@ -139,5 +139,6 @@ The measured output power around 144.550 MHz are:
 ## Harmonics on 2m (144 MHz)
 
 
-![harmonics](harmonics.png "I could not see any harmonics at <mark>145.550 MHz</mark>.")
+![harmonics](harmonics.png "I could not see any harmonics at <mark>145.550 MHz</mark>.  
+For people that cannot read the small fonts properly: the graph goes up to 3 GHz.")