docs(README): fix docker pull version

Signed-off-by: Alexandre Burgoni <alexandre.burgoni@clever.cloud>

Author: alexandrebrg

README.md

@@ -2,7 +2,8 @@
 
 A tool which will poll status of your FoundationDB cluster and expose human-readable
 metrics for Prometheus. When it is useful, metrics are tagged with appropriate data
-to be easily retriveable.
+to be easily retriveable. This software is used in production at 
+[Clever Cloud](https://clever.cloud).
 
 Metrics this exporter exposes are available in **[METRICS.md](./METRICS.md)**.
 
@@ -23,8 +24,8 @@ the container. You can start with [a sample cluster](#running-with-a-sample-foun
 to try the exporter.*
 
 ```
-# Pull exporter version 2.1.0 for FoundtionDB version 7.3.63
-docker pull clevercloud/fdbexporter:2.1.0-7.3.63
+# Pull exporter version 2.1.1 for FoundtionDB version 7.3.69
+docker pull clevercloud/fdbexporter:2.1.1-7.3.69
 # Environment variables:
 #   FDB_COORDINATOR: DNS name of the coordinator node
 #   FDB_COORDINATOR_PORT: Port of the coordinator node process
@@ -33,7 +34,7 @@ docker run \
   -e FDB_NETWORKING_MODE=container \
   -e FDB_COORDINATOR=coordinator \
   -e FDB_COORDINATOR_PORT=4500 \
-  clevercloud/fdbexporter:latest-7.3.63
+  clevercloud/fdbexporter:latest-7.3.69
 ```
 
 The exporter images are tagged based on both the exporter version and on