manual stats creation default sampling percent fix

Author: filippopovic

articles/synapse-analytics/sql/develop-tables-statistics.md

@@ -645,7 +645,7 @@ Specifies a Transact-SQL statement that will return column values to be used for
 
 To create statistics on a column, provide a query that returns the column for which you need statistics.
 
-By default, if you don't specify otherwise, serverless SQL pool uses 100% of the data provided in the dataset when it creates statistics.
+By default, if you don't specify otherwise when manually creating statistics, serverless SQL pool uses 100% of the data provided in the dataset when it creates statistics.
 
 For example, to create statistics with default options (FULLSCAN) for a population column of the dataset based on the us_population.csv file:
 
@@ -780,7 +780,7 @@ CREATE STATISTICS sState
 #### Create single-column statistics by specifying the sample size
 
 ```sql
--- following sample creates statistics with sampling 20%
+-- following sample creates statistics with sampling 5%
 CREATE STATISTICS sState
     on census_external_table (STATENAME)
     WITH SAMPLE 5 percent, NORECOMPUTE