diff --git a/system-tools.yaml b/system-tools.yaml
index d50e378..82ae7a8 100644
--- a/system-tools.yaml
+++ b/system-tools.yaml
@@ -37,11 +37,11 @@ data:
   components:
     rpms:
       calc:
-        rationale: command-line calculator.
+        rationale: A command-line calculator.
         ref: master
       dateutils:
-        rationale: command-line date and time math.
+        rationale: A command-line utility for date and time calculation.
         ref: master
       gcal:
-        rationale: better command-line calendar utility.
+        rationale: A command-line calendar utility.
         ref: master