diff --git a/docs/iperf3.md b/docs/iperf3.md
index 9a7c0d1d..e27215a2 100644
--- a/docs/iperf3.md
+++ b/docs/iperf3.md
@@ -4,11 +4,11 @@ To see how to integrate iPerf3 into your app, look at [iPerf3 Repo](https://gith
 
 | Icon                                                         | Description                         |
 |--------------------------------------------------------------|-------------------------------------|
-| ![Outline Cloud Off](images/upload_fail.png)                 | iPerf3 run is not uploaded          |
-| ![Outline Cloud done](images/upload_success.png)             | iPerf3 run is successfully uploaded |
-| ![Running](/app/src/main/res/drawable/ic_directions_run.png) | iPerf3 run is running               |
-| ![Done](/app/src/main/res/drawable/ic_done_all.png)          | iPerf3 run is done                  |
-| ![Error](/app/src/main/res/drawable/ic_error_outline.png)    | iPerf3 run has an error             |
+| ![Outline Cloud Off](images/upload_fail.png=250x)                 | iPerf3 run is not uploaded          |
+| ![Outline Cloud done](images/upload_success.png=250x)             | iPerf3 run is successfully uploaded |
+| ![Running](/app/src/main/res/drawable/ic_directions_run.png=250x) | iPerf3 run is running               |
+| ![Done](/app/src/main/res/drawable/ic_done_all.png=250x)          | iPerf3 run is done                  |
+| ![Error](/app/src/main/res/drawable/ic_error_outline.png=250x)    | iPerf3 run has an error             |
 
 
 ### Usage