PR #17789: [keras/layers/attention/additive_attention.py] Standardise…

… docstring usage of "Default to"

Imported from GitHub PR #17789

This is one of many PRs. Discussion + request to split into multiple PRs @ #17748
Copybara import of the project:

--
235ad94 by Samuel Marks <807580+SamuelMarks@users.noreply.github.com>:

[keras/layers/attention/additive_attention.py] Standardise docstring usage of "Defaults to"

Merging this change closes #17789

FUTURE_COPYBARA_INTEGRATE_REVIEW=#17789 from SamuelMarks:keras.layers.attention.additive_attention-defaults-to 235ad94
PiperOrigin-RevId: 522172709

keras/layers/attention/additive_attention.py

@@ -49,7 +49,7 @@ class AdditiveAttention(BaseDenseAttention):
       use_scale: If `True`, will create a variable to scale the attention
         scores.
       dropout: Float between 0 and 1. Fraction of the units to drop for the
-        attention scores. Defaults to 0.0.
+        attention scores. Defaults to `0.0`.
 
     Call Args:
 
@@ -73,7 +73,7 @@ class AdditiveAttention(BaseDenseAttention):
       use_causal_mask: Boolean. Set to `True` for decoder self-attention. Adds a
         mask such that position `i` cannot attend to positions `j > i`. This
         prevents the flow of information from the future towards the past.
-        Defaults to `False`.`
+        Defaults to `False`.
 
     Output: