docs/metrics: fix rendering of text in angle brackets

The words inside angle brackets were being interpreted as HTML markup,
so were not rendered.

Change-Id: Icfa6553635ea437200390ca235328a6036718f40
diff --git a/src/main/resources/Documentation/metrics.md b/src/main/resources/Documentation/metrics.md
index ef8b150..541e95e 100644
--- a/src/main/resources/Documentation/metrics.md
+++ b/src/main/resources/Documentation/metrics.md
@@ -9,13 +9,13 @@
 
 ### Project level
 
-* plugins_replication_latency_slower_than_<threshold>_<destinationName>_<ProjectName> - Time spent pushing <ProjectName> to remote <destinationName> (in ms)
+* `plugins_replication_latency_slower_than_<threshold>_<destinationName>_<ProjectName>` - Time spent pushing `<ProjectName>` to remote `<destinationName>` (in ms)
 
 ### Destination level
 
-* plugins_replication_replication_delay_<destinationName> - Time spent waiting before pushing to remote <destinationName> (in ms)
-* plugins_replication_replication_retries_<destinationName> - Number of retries when pushing to remote <destinationName>
-* plugins_replication_replication_latency_<destinationName> - Time spent pushing to remote <destinationName> (in ms)
+* `plugins_replication_replication_delay_<destinationName>` - Time spent waiting before pushing to remote `<destinationName>` (in ms)
+* `plugins_replication_replication_retries_<destinationName>` - Number of retries when pushing to remote `<destinationName>`
+* `plugins_replication_replication_latency_<destinationName>` - Time spent pushing to remote `<destinationName>` (in ms)
 
 ### Example
 ```
@@ -58,4 +58,4 @@
 plugins_replication_latency_slower_than_60_destinationName_projectName{quantile="0.99",} 278.0
 plugins_replication_latency_slower_than_60_destinationName_projectName{quantile="0.999",} 278.0
 plugins_replication_latency_slower_than_60_destinationName_projectName 1.0
-```
\ No newline at end of file
+```