fix spelling error

Author: mrbullwinkle

articles/azure-monitor/app/custom-endpoints.md

@@ -185,7 +185,7 @@ Live Metrics Endpoint: "QuickPulse_Endpoint_Address"
 
 ### Python
 
-For guidance on modifying the ingestion enpoint for the opencensus-python SDK consult the [opencensus-python repo.](https://github.com/census-instrumentation/opencensus-python/blob/af284a92b80bcbaf5db53e7e0813f96691b4c696/contrib/opencensus-ext-azure/opencensus/ext/azure/common/__init__.py)
+For guidance on modifying the ingestion endpoint for the opencensus-python SDK consult the [opencensus-python repo.](https://github.com/census-instrumentation/opencensus-python/blob/af284a92b80bcbaf5db53e7e0813f96691b4c696/contrib/opencensus-ext-azure/opencensus/ext/azure/common/__init__.py)
 
 ## Regions that require endpoint modification