diff --git a/specification/metrics/semantic_conventions/faas-metrics.md b/specification/metrics/semantic_conventions/faas-metrics.md
index 547265209..e0e870592 100644
--- a/specification/metrics/semantic_conventions/faas-metrics.md
+++ b/specification/metrics/semantic_conventions/faas-metrics.md
@@ -50,7 +50,7 @@ Optionally, when applicable:
 | Name             | Instrument Type ([*](README.md#instrument-types)) | Unit         | Unit ([UCUM](README.md#instrument-units)) | Description                                     |
 |------------------|---------------------------------------------------|--------------|-------------------------------------------|-------------------------------------------------|
 | `faas.mem_usage` | Histogram                                         | Bytes        | `By`                                      | Distribution of max memory usage per invocation |
-| `faas.cpu_usage` | Histogram                                         | milliseconds | `ms`                                      | Distribution of cpu usage per invocation        |
+| `faas.cpu_usage` | Histogram                                         | milliseconds | `ms`                                      | Distribution of CPU usage per invocation        |
 | `faas.net_io`    | Histogram                                         | Bytes        | `By`                                      | Distribution of net I/O usage per invocation    |
 
 ## Attributes
diff --git a/specification/metrics/semantic_conventions/runtime-environment-metrics.md b/specification/metrics/semantic_conventions/runtime-environment-metrics.md
index 0872558d7..a0d419087 100644
--- a/specification/metrics/semantic_conventions/runtime-environment-metrics.md
+++ b/specification/metrics/semantic_conventions/runtime-environment-metrics.md
@@ -77,8 +77,8 @@ All JVM metric attributes are required unless otherwise indicated.
 | process.runtime.jvm.classes.loaded             | Number of classes loaded since JVM start                                                        | classes | `{classes}`                               | Counter                                           | Int64      |               |                       |
 | process.runtime.jvm.classes.unloaded           | Number of classes unloaded since JVM start                                                      | classes | `{classes}`                               | Counter                                           | Int64      |               |                       |
 | process.runtime.jvm.classes.current_loaded     | Number of classes currently loaded                                                              | classes | `{classes}`                               | UpDownCounter                                     | Int64      |               |                       |
-| process.runtime.jvm.cpu.utilization            | Recent cpu utilization for the process [2]                                                      | 1       | 1                                         | Asynchronous Gauge                                | Double     |               |                       |
-| process.runtime.jvm.system.cpu.utilization     | Recent cpu utilization for the whole system [2]                                                 | 1       | 1                                         | Asynchronous Gauge                                | Double     |               |                       |
+| process.runtime.jvm.cpu.utilization            | Recent CPU utilization for the process [2]                                                      | 1       | 1                                         | Asynchronous Gauge                                | Double     |               |                       |
+| process.runtime.jvm.system.cpu.utilization     | Recent CPU utilization for the whole system [2]                                                 | 1       | 1                                         | Asynchronous Gauge                                | Double     |               |                       |
 | process.runtime.jvm.system.cpu.load_1m         | Average CPU load of the whole system for the last minute                                        | 1       | 1                                         | Asynchronous Gauge                                | Double     |               |                       |
 | process.runtime.jvm.buffer.usage               | Measure of memory used by buffers                                                               | Bytes   | `By`                                      | UpDownCounter                                     | Int64      | pool          | Name of pool[3]       |
 | process.runtime.jvm.buffer.limit               | Measure of total memory capacity of buffers                                                     | Bytes   | `By`                                      | UpDownCounter                                     | Int64      | pool          | Name of pool[3]       |