doc typo fixes
diff --git a/Doc/library/gc.rst b/Doc/library/gc.rst
index 3d76411..41bda1e 100644
--- a/Doc/library/gc.rst
+++ b/Doc/library/gc.rst
@@ -189,13 +189,13 @@
after collection. The callbacks will be called with two arguments,
*phase* and *info*.
- *phase* can one of two values:
+ *phase* can be one of two values:
"start": The garbage collection is about to start.
"stop": The garbage collection has finished.
- *info* provides more information for the callback. The following
+ *info* is a dict providing more information for the callback. The following
keys are currently defined:
"generation": The oldest generation being collected.
@@ -203,7 +203,7 @@
"collected": When *phase* is "stop", the number of objects
successfully collected.
- "uncollectable": when *phase* is "stop", the number of objects
+ "uncollectable": When *phase* is "stop", the number of objects
that could not be collected and were put in :data:`garbage`.
Applications can add their own callbacks to this list. The primary