diff --git a/source/core/timeseries/timeseries-procedures.txt b/source/core/timeseries/timeseries-procedures.txt
index 573f312c0d1..5322e89e71a 100644
--- a/source/core/timeseries/timeseries-procedures.txt
+++ b/source/core/timeseries/timeseries-procedures.txt
@@ -156,7 +156,7 @@ A time series collection includes the following fields:
     - .. include:: /includes/time-series/fact-meta-field-description.rst
 
   * - ``timeseries.granularity``
-    - integer
+    - string
     - .. include:: /includes/time-series/fact-granularity-field-description.rst
 
   * - ``timeseries.bucketMaxSpanSeconds``