diff --git a/README.md b/README.md
index 8eed8c86..a0ca985a 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ docker run -d \
   -e APP_HOME_NAME="Stirling PDF" \
   -e APP_HOME_DESCRIPTION="Your locally hosted one-stop-shop for all your PDF needs." \
   -e APP_NAVBAR_NAME="Stirling PDF" \
-  -e ALLOW_GOOGLE_VISABILITY="true" \
+  -e ALLOW_GOOGLE_VISIBILITY="true" \
   -e APP_ROOT_PATH="/" \
   -e APP_LOCALE="en_GB" \
 ```
@@ -96,7 +96,7 @@ services:
 #      APP_HOME_DESCRIPTION: Your locally hosted one-stop-shop for all your PDF needs.
 #      APP_NAVBAR_NAME: Stirling PDF
 #      APP_ROOT_PATH: /
-#      ALLOW_GOOGLE_VISABILITY: true
+#      ALLOW_GOOGLE_VISIBILITY: true
 
 ```
 
@@ -134,7 +134,7 @@ If running Java directly, you can also pass these as properties using -D argumen
 
 Using the same method you can also change 
 - The default language by providing APP_LOCALE with values like de-DE fr-FR or ar-AR to select your default language (Will always default to English on invalid locale)
-- Enable/Disable search engine visablility with ALLOW_GOOGLE_VISABILITY with true / false values. Default disable visability.
+- Enable/Disable search engine visiblility with ALLOW_GOOGLE_VISIBILITY with true / false values. Default disable visibility.
 - Change root URI for Stirling-PDF ie change server.com/ to server.com/pdf-app by running APP_ROOT_PATH as pdf-app
 
 ## API
diff --git a/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java b/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
index aca36980..e3df1fb0 100644
--- a/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
@@ -80,9 +80,9 @@ public class GeneralWebController {
     @ResponseBody
     @Hidden
     public String getRobotsTxt() {
-        String allowGoogleVisibility = System.getProperty("ALLOW_GOOGLE_VISABILITY");
+        String allowGoogleVisibility = System.getProperty("ALLOW_GOOGLE_VISIBILITY");
         if (allowGoogleVisibility == null)
-            allowGoogleVisibility = System.getenv("ALLOW_GOOGLE_VISABILITY");
+            allowGoogleVisibility = System.getenv("ALLOW_GOOGLE_VISIBILITY");
         if (allowGoogleVisibility == null)
             allowGoogleVisibility = "false";
         if (Boolean.parseBoolean(allowGoogleVisibility)) {