diff --git a/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java b/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
index 1809a39..51f5de1 100644
--- a/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
@@ -277,7 +277,7 @@ public class PdfViewer extends AppCompatActivity implements LoaderManager.Loader
                     try {
                         mInputStream = getContentResolver().openInputStream(mUri);
                     } catch (FileNotFoundException ignored) {
-                        snackbar.setText(R.string.io_error).show();
+                        snackbar.setText(R.string.error_while_opening).show();
                     }
                     return new WebResourceResponse("application/pdf", null, mInputStream);
                 }
@@ -471,7 +471,7 @@ public class PdfViewer extends AppCompatActivity implements LoaderManager.Loader
             }
             mInputStream = getContentResolver().openInputStream(mUri);
         } catch (IOException e) {
-            snackbar.setText(R.string.io_error).show();
+            snackbar.setText(R.string.error_while_opening).show();
             return;
         }
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 004fbb6..e68fa0f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -19,7 +19,7 @@
 
     <string name="invalid_mime_type">Cannot open file with invalid MIME type</string>
     <string name="legacy_file_uri">Cannot open legacy file paths from insecure apps</string>
-    <string name="io_error">Received I/O error trying to open content</string>
+    <string name="error_while_opening">Error encountered trying to open content</string>
     <string name="error_while_saving">Error encountered while saving</string>
 
     <string name="webview_out_of_date_title">WebView out-of-date</string>