diff --git a/README.md b/README.md
index f201bfa..0ce8754 100644
--- a/README.md
+++ b/README.md
@@ -16,15 +16,15 @@ pip install determine-docker-tags
 
 Here is a list of the options available. You can find more detailed usage instructions below.
 
-| ENV Var            | Default      | Description                                                                                                                                                                                          |
-| ------------------ | ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| VERSION_TYPE       | ""           | How the program should find the version number. Can be "docker_env", "docker_from", "date" or "".                                                                                                    |
-| APP_NAME           | ""           | The name of the application whose version number you want to use to generate tags.                                                                                                                   |
-| DOCKERFILE_PATH    | "Dockerfile" | The path to the Dockerfile you want to run the program on                                                                                                                                            |
-| APP_ENV            | ""           | A static string to add to the end of every tag with a "-" added inbetween the tag and the string. The string will not be added to any tags defined in CUSTOM_TAGS.                                   |
-| CUSTOM_TAGS        | ""           | Any extra static tags you want to add to the image, for example "latest". You can provide a list in the form of a comma separated string to specify multiple tags. For example "latest,prod,example" |
-| INCLUDE_MAJOR      | "yes"        | If the major version number should be a tag. This setting will be ignored if the major version number is 0. Can be "yes" or "no".                                                                    |
-| INCLUDE_EXTRA_INFO | "yes"        | If the extra information that you find after the version number in many docker image tags should be kept and added to every tag. Can be "yes" or "no"                                                |
+| ENV Var         | Default      | Description                                                                                                                                                                                          |
+| --------------- | ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| VERSION_TYPE    | ""           | How the program should find the version number. Can be "docker_env", "docker_from", "date" or "".                                                                                                    |
+| APP_NAME        | ""           | The name of the application whose version number you want to use to generate tags.                                                                                                                   |
+| DOCKERFILE_PATH | "Dockerfile" | The path to the Dockerfile you want to run the program on                                                                                                                                            |
+| APP_ENV         | ""           | A static string to add to the end of every tag with a "-" added inbetween the tag and the string. The string will not be added to any tags defined in CUSTOM_TAGS.                                   |
+| CUSTOM_TAGS     | ""           | Any extra static tags you want to add to the image, for example "latest". You can provide a list in the form of a comma separated string to specify multiple tags. For example "latest,prod,example" |
+| INCLUDE_MAJOR   | "yes"        | If the major version number should be a tag. This setting will be ignored if the major version number is 0. Can be "yes" or "no".                                                                    |
+| INCLUDE_SUFFIX  | "yes"        | If the suffix that you find after the version number in many docker image tags should be kept and added to every tag. Can be "yes" or "no"                                                           |
 
 ## Usage
 
@@ -88,9 +88,9 @@ We then set `APP_NAME` to `nginx` and the generated tags would be:
 1.18,1.18.0
 ```
 
-### INCLUDE_EXTRA_INFO
+### INCLUDE_SUFFIX
 
-`INCLUDE_EXTRA_INFO` is mainly intended to be used with the `docker_from` version type. It determines whether or not the suffix should be included in the generated tags. The default for this option is `yes`. Let's say we had the following `FROM` instruction in our Dockerfile:
+`INCLUDE_SUFFIX` is mainly intended to be used with the `docker_from` version type. It determines whether or not the suffix should be included in the generated tags. The default for this option is `yes`. Let's say we had the following `FROM` instruction in our Dockerfile:
 
 ```
 FROM nginx:1.18.0-alpine
diff --git a/determine_docker_tags/__init__.py b/determine_docker_tags/__init__.py
index 1237beb..16e55ed 100644
--- a/determine_docker_tags/__init__.py
+++ b/determine_docker_tags/__init__.py
@@ -5,7 +5,7 @@ import re
 from datetime import date
 
 
-def determine_tags(version_string, app_env, include_major, include_extra_info):
+def determine_tags(version_string, app_env, include_major, include_suffix):
     tags = ""
 
     if "-" in version_string:
@@ -14,7 +14,7 @@ def determine_tags(version_string, app_env, include_major, include_extra_info):
     else:
         extra_info = ""
 
-    if include_extra_info == "no":
+    if include_suffix == "no":
         extra_info = ""
 
     if app_env:
@@ -55,17 +55,24 @@ def main():
     app_env = os.getenv("APP_ENV", "")
     custom_tags = os.getenv("CUSTOM_TAGS", "")
     include_major = os.getenv("INCLUDE_MAJOR", "yes")  # yes or no
-    include_extra_info = os.getenv("INCLUDE_EXTRA_INFO", "yes")  # yes or no
+    include_suffix = os.getenv("INCLUDE_SUFFIX", "yes")  # yes or no
+    include_extra_info = os.getenv("INCLUDE_EXTRA_INFO", "")  # DEPRECATED
+
+    if include_extra_info and not include_extra_info.isspace():
+        print(
+            "DEPRECATION NOTICE: INCLUDE_EXTRA_INFO is deprecated. Please use INCLUDE_SUFFIX instead."
+        )
+        include_suffix = include_extra_info
 
     if include_major == "positive":
         include_major = "yes"
     elif include_major == "negative":
         include_major = "no"
 
-    if include_extra_info == "positive":
-        include_extra_info = "yes"
-    elif include_extra_info == "negative":
-        include_extra_info = "no"
+    if include_suffix == "positive":
+        include_suffix = "yes"
+    elif include_suffix == "negative":
+        include_suffix = "no"
 
     if version_type == "docker_env":
         is_app_name_empty(app_name)
@@ -79,9 +86,7 @@ def main():
         if version_string[0] == "v":
             version_string = version_string[1:]
 
-        tags = determine_tags(
-            version_string, app_env, include_major, include_extra_info
-        )
+        tags = determine_tags(version_string, app_env, include_major, include_suffix)
 
     elif version_type == "docker_from":
         is_app_name_empty(app_name)
@@ -95,9 +100,7 @@ def main():
         if "@" in version_string:
             version_string = version_string[: version_string.find("@")]
 
-        tags = determine_tags(
-            version_string, app_env, include_major, include_extra_info
-        )
+        tags = determine_tags(version_string, app_env, include_major, include_suffix)
 
     elif version_type == "date":
         version_string = date.today().strftime("%Y%m%d")