diff --git a/README.md b/README.md
index f3f42be..0ad3def 100644
--- a/README.md
+++ b/README.md
@@ -739,7 +739,7 @@ Search documents within flat circle:
 <?php
 $this->collection
     ->find()
-    ->withinCircle('point', 28.46963, 49.2347, 1)
+    ->withinCircle('point', 28.46963, 49.2347, 0.001)
     ->findOne();
 ```
 
@@ -752,7 +752,7 @@ $point = $this->collection
     ->findOne();
 ```
 
-Search documents within box:
+Search documents with points (stored as legacy coordinates) within box:
 ```php
 <?php
 $point = $this->collection
diff --git a/tests/DocumentGeoTest.php b/tests/DocumentGeoTest.php
index 2613224..e0d5e2e 100644
--- a/tests/DocumentGeoTest.php
+++ b/tests/DocumentGeoTest.php
@@ -643,7 +643,7 @@ public function testExpressionWithinCircle()
 
         $point = $this->collection
             ->find()
-            ->withinCircle('point', 28.46963, 49.2347, 1)
+            ->withinCircle('point', 28.46963, 49.2347, 0.001)
             ->findOne();
 
         $this->assertNotEmpty($point);