docs(api): update some of the compiler hook descriptions

Author: skipjack

src/content/api/compilation-hooks.md

@@ -62,7 +62,7 @@ Parameters: `module`
 
 `SyncHook`
 
-...
+All modules have been built.
 
 Parameters: `modules`
 
@@ -71,7 +71,7 @@ Parameters: `modules`
 
 `SyncHook`
 
-...
+A module has been rebuilt.
 
 Parameters: `module`
 
@@ -87,7 +87,7 @@ Fired when the compilation stops accepting new modules.
 
 `SyncHook`
 
-...
+Fired when a compilation begins accepting new modules.
 
 
 ### `optimizeDependenciesBasic`
@@ -103,7 +103,7 @@ Parameters: `modules`
 
 `SyncBailHook`
 
-...
+Fired at the beginning of dependency optimization.
 
 Parameters: `modules`
 

src/content/api/compiler-hooks.md

@@ -214,7 +214,7 @@ Parameters: `compilation`
 
 `SyncHook`
 
-Completion of compile
+Compilation has completed.
 
 Parameters: `stats`
 
@@ -223,7 +223,7 @@ Parameters: `stats`
 
 `SyncHook`
 
-Failure of compile
+Compilation has failed.
 
 Parameters: `error`
 
@@ -232,7 +232,7 @@ Parameters: `error`
 
 `SyncHook`
 
-After invalidating a watch compile
+Watch compilation has been invalidated.
 
 Parameters: `fileName`, `changeTime`
 
@@ -241,4 +241,4 @@ Parameters: `fileName`, `changeTime`
 
 `SyncHook`
 
-After stopping a watch compile
+Watch mode has stopped.