diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7372a97e0..f83a9acd54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 * Updated `from_cmdstanpy`, `from_cmdstan`, `from_numpyro` and `from_pymc3` converters to follow schema convention ([1550](https://github.com/arviz-devs/arviz/pull/1550), [1541](https://github.com/arviz-devs/arviz/pull/1541), [1525](https://github.com/arviz-devs/arviz/pull/1525) and [1555](https://github.com/arviz-devs/arviz/pull/1555))
 * Fix calculation of mode as point estimate ([1552](https://github.com/arviz-devs/arviz/pull/1552))
 * Remove variable name from legend in posterior predictive plot ([1559](https://github.com/arviz-devs/arviz/pull/1559))
+* Added significant digits formatter to round rope values ([1569](https://github.com/arviz-devs/arviz/pull/1569))
 
 
 ### Deprecation
diff --git a/arviz/plots/backends/bokeh/posteriorplot.py b/arviz/plots/backends/bokeh/posteriorplot.py
index 19e997c1ec..f77ec05bba 100644
--- a/arviz/plots/backends/bokeh/posteriorplot.py
+++ b/arviz/plots/backends/bokeh/posteriorplot.py
@@ -88,7 +88,7 @@ def plot_posterior(
             ref_val=ref_val,
             rope=rope,
             ax_labelsize=ax_labelsize,
-            **kwargs
+            **kwargs,
         )
         idx += 1
         _title = Title()
@@ -119,7 +119,7 @@ def _plot_posterior_op(
     rope,
     ax_labelsize,
     round_to: Optional[int] = None,
-    **kwargs
+    **kwargs,
 ):  # noqa: D202
     """Artist to draw posterior."""