fix prereq instructions

Author: PatrickFarley

articles/cognitive-services/Computer-vision/QuickStarts/javascript-analyze.md

@@ -21,7 +21,7 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
 
 ## Prerequisites
 
-You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Then, [create environment variables](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account#configure-an-environment-variable-for-authentication) for the key and service endpoint string, named `COMPUTER_VISION_SUBSCRIPTION_KEY` and `COMPUTER_VISION_ENDPOINT`, respectively.
+You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Save your subscription key and endpoint URL to a temporary location.
 
 ## Create and run the sample
 

articles/cognitive-services/Computer-vision/QuickStarts/javascript-hand-text.md

@@ -40,7 +40,7 @@ Compared to Computer Vision 2.0 and 2.1, the Computer Vision 3.0 Public Preview
 
 If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/ai/?ref=microsoft.com&utm_source=microsoft.com&utm_medium=docs&utm_campaign=cognitive-services) before you begin.
 
-You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Then, [create environment variables](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account#configure-an-environment-variable-for-authentication) for the key and service endpoint string, named `COMPUTER_VISION_SUBSCRIPTION_KEY` and `COMPUTER_VISION_ENDPOINT`, respectively.
+You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Save your subscription key and endpoint URL to a temporary location.
 
 ## Create and run the sample
 

articles/cognitive-services/Computer-vision/QuickStarts/javascript-print-text.md

@@ -25,7 +25,7 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
 
 ## Prerequisites
 
-You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Then, [create environment variables](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account#configure-an-environment-variable-for-authentication) for the key and service endpoint string, named `COMPUTER_VISION_SUBSCRIPTION_KEY` and `COMPUTER_VISION_ENDPOINT`, respectively.
+You must have a subscription key for Computer Vision. You can get a free trial key from [Try Cognitive Services](https://azure.microsoft.com/try/cognitive-services/?api=computer-vision). Or, follow the instructions in [Create a Cognitive Services account](https://docs.microsoft.com/azure/cognitive-services/cognitive-services-apis-create-account) to subscribe to Computer Vision and get your key. Save your subscription key and endpoint URL to a temporary location.
 
 ## Create and run the sample