diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index 4e078558..e5d69a0e 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -31,7 +31,7 @@ var config = {
     // to be able to navigate the map without a reload ?
     // Defaults to 7200 (2 hours)
     ,mapConfigTTL: 7200
-    // idle socket timeout, in miliseconds 
+    // idle socket timeout, in milliseconds 
     ,socket_timeout: 600000
     ,enable_cors: true
     ,cache_enabled: false
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index 1f3403d9..19ac0861 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -31,7 +31,7 @@ var config = {
     // to be able to navigate the map without a reload ?
     // Defaults to 7200 (2 hours)
     ,mapConfigTTL: 7200
-    // idle socket timeout, in miliseconds
+    // idle socket timeout, in milliseconds
     ,socket_timeout: 600000 
     ,enable_cors: true
     ,cache_enabled: true
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index 397327da..99e0a56f 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -31,7 +31,7 @@ var config = {
     // to be able to navigate the map without a reload ?
     // Defaults to 7200 (2 hours)
     ,mapConfigTTL: 7200
-    // idle socket timeout, in miliseconds
+    // idle socket timeout, in milliseconds
     ,socket_timeout: 600000 
     ,enable_cors: true
     ,cache_enabled: true
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index e4a60330..7f700d96 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -31,7 +31,7 @@ var config = {
     // to be able to navigate the map without a reload ?
     // Defaults to 7200 (2 hours)
     ,mapConfigTTL: 7200
-    // idle socket timeout, in miliseconds
+    // idle socket timeout, in milliseconds
     ,socket_timeout: 600000 
     ,enable_cors: true
     ,cache_enabled: false