diff --git a/internal/lsp/completion.go b/internal/lsp/completion.go
index 6304828c67..6df9778ca7 100644
--- a/internal/lsp/completion.go
+++ b/internal/lsp/completion.go
@@ -32,8 +32,9 @@ func (s *Server) completion(ctx context.Context, params *protocol.CompletionPara
 		return nil, err
 	}
 	candidates, surrounding, err := source.Completion(ctx, view, f, rng.Start, source.CompletionOptions{
-		DeepComplete:     s.useDeepCompletions,
-		WantDocumentaton: s.wantCompletionDocumentation,
+		DeepComplete:          s.useDeepCompletions,
+		WantDocumentaton:      s.wantCompletionDocumentation,
+		WantFullDocumentation: s.hoverKind == fullDocumentation,
 	})
 	if err != nil {
 		log.Print(ctx, "no completions found", tag.Of("At", rng), tag.Of("Failure", err))
diff --git a/internal/lsp/source/completion.go b/internal/lsp/source/completion.go
index 3700c0bad2..8178f0498d 100644
--- a/internal/lsp/source/completion.go
+++ b/internal/lsp/source/completion.go
@@ -304,8 +304,9 @@ type candidate struct {
 }
 
 type CompletionOptions struct {
-	DeepComplete     bool
-	WantDocumentaton bool
+	DeepComplete          bool
+	WantDocumentaton      bool
+	WantFullDocumentation bool
 }
 
 // Completion returns a list of possible candidates for completion, given a
diff --git a/internal/lsp/source/completion_format.go b/internal/lsp/source/completion_format.go
index f3465f251c..7cb4426c8d 100644
--- a/internal/lsp/source/completion_format.go
+++ b/internal/lsp/source/completion_format.go
@@ -137,6 +137,9 @@ func (c *completer) item(cand candidate) (CompletionItem, error) {
 			goto Return
 		}
 		item.Documentation = hover.Synopsis
+		if c.opts.WantFullDocumentation {
+			item.Documentation = hover.FullDocumentation
+		}
 	}
 Return:
 	return item, nil