diff --git a/README.md b/README.md
index 1adb0ae..5c0ccfe 100644
--- a/README.md
+++ b/README.md
@@ -278,7 +278,7 @@ rmadh = RepeatedMeasuresUnivariateDataHandler(
     individual_id_column="subject",
 )
 effect_size_result = rmadh.calculate_effect_size(state_column="group")
-power_analysis_result = rmandh.power_analysis(
+power_analysis_result = rmadh.power_analysis(
     state_column="group",
     subjects=[2, 4, 5],
     measurements=10,
diff --git a/evident/__init__.py b/evident/__init__.py
index 7119589..66e565c 100644
--- a/evident/__init__.py
+++ b/evident/__init__.py
@@ -1,6 +1,6 @@
 from .data_handler import UnivariateDataHandler, MultivariateDataHandler
 
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 __all__ = ["UnivariateDataHandler", "MultivariateDataHandler"]