diff --git a/docs/utils.md b/docs/utils.md
index 0baa3879..9e8cb633 100644
--- a/docs/utils.md
+++ b/docs/utils.md
@@ -48,3 +48,18 @@ Returns:
 
     no return, just prints output to STDERR
 
+## has_data
+```python
+has_data(data)
+```
+
+Checks if the input contains data. If there are any non-whitespace characters then return True, else return False
+
+Parameters:
+
+    data:        (string) input to check whether it contains data
+
+Returns:
+
+    Boolean      True if input string (data) contains non-whitespace characters, otherwise False
+
diff --git a/jc/utils.py b/jc/utils.py
index 3695a0ee..b5f9a4f0 100644
--- a/jc/utils.py
+++ b/jc/utils.py
@@ -70,4 +70,15 @@ def compatibility(mod_name, compatible):
 
 
 def has_data(data):
+    """
+    Checks if the input contains data. If there are any non-whitespace characters then return True, else return False
+
+    Parameters:
+
+        data:        (string) input to check whether it contains data
+
+    Returns:
+
+        Boolean      True if input string (data) contains non-whitespace characters, otherwise False
+    """
     return True if data and not data.isspace() else False