fix document

Author: crossoverJie

.chloggen/support-extensions.yaml

@@ -5,7 +5,7 @@ change_type: enhancement
 component: auto-instrumentation
 
 # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: Instrumentations support Java extensions
+note: Support Java auto-instrumentation extensions.
 
 # One or more tracking issues related to the change
 issues: [1785]

apis/v1alpha1/instrumentation_types.go

@@ -135,6 +135,7 @@ type Java struct {
 	Resources corev1.ResourceRequirements `json:"resources,omitempty"`
 
 	// Extensions defines java specific extensions.
+	// All extensions are copied to a single directory; if a JAR with the same name exists, it will be overwritten.
 	// +optional
 	Extensions []Extensions `json:"extensions,omitempty"`
 }

bundle/manifests/opentelemetry.io_instrumentations.yaml

@@ -566,16 +566,11 @@ spec:
                       type: object
                     type: array
                   extensions:
-                    description: Extensions defines java specific extensions.
                     items:
                       properties:
                         dir:
-                          description: Dir is a directory with extensions auto-instrumentation
-                            JAR.
                           type: string
                         image:
-                          description: Image is a container image with extensions
-                            auto-instrumentation JAR.
                           type: string
                       required:
                       - dir

config/crd/bases/opentelemetry.io_instrumentations.yaml

@@ -564,16 +564,11 @@ spec:
                       type: object
                     type: array
                   extensions:
-                    description: Extensions defines java specific extensions.
                     items:
                       properties:
                         dir:
-                          description: Dir is a directory with extensions auto-instrumentation
-                            JAR.
                           type: string
                         image:
-                          description: Image is a container image with extensions
-                            auto-instrumentation JAR.
                           type: string
                       required:
                       - dir

docs/api.md

@@ -1829,7 +1829,7 @@ Resource Types:
         <td><b><a href="#instrumentationspecjavaextensionsindex">extensions</a></b></td>
         <td>[]object</td>
         <td>
-          Extensions defines java specific extensions.<br/>
+          <br/>
         </td>
         <td>false</td>
       </tr><tr>
@@ -2123,14 +2123,14 @@ Resource Types:
         <td><b>dir</b></td>
         <td>string</td>
         <td>
-          Dir is a directory with extensions auto-instrumentation JAR.<br/>
+          <br/>
         </td>
         <td>true</td>
       </tr><tr>
         <td><b>image</b></td>
         <td>string</td>
         <td>
-          Image is a container image with extensions auto-instrumentation JAR.<br/>
+          <br/>
         </td>
         <td>true</td>
       </tr></tbody>