diff --git a/docs/PRIMARY_PROTOCOL.md b/docs/PRIMARY_PROTOCOL.md
index 992d5f70d1c2ac9c83805d4ef443cce34a132870..b429230a250d25b03c24f4867148a88cef5bc2d1 100644
--- a/docs/PRIMARY_PROTOCOL.md
+++ b/docs/PRIMARY_PROTOCOL.md
@@ -224,7 +224,7 @@ the following guidelines to facilitate this detection and prevent
 false positives:
 
   * Upon content load invoke `navigator.id.beginProvisioning()`
-    promptly to indicate successful load and initiation
+    promptly to indicate successful load and initiation.
   * Only after it has been verified that the user is authenticated as
     the target email should `.genKeyPair()` be invoked.