If Sign is a field...

rfc9204.md

@@ -879,7 +879,7 @@
 
 Each encoded field section is prefixed with two integers.  The Required Insert
 Count is encoded as an integer with an 8-bit prefix using the encoding described
-in {{ric}}.  The Base is encoded as a sign bit ('S') and a Delta Base value
+in {{ric}}.  The Base is encoded as a Sign bit ('S') and a Delta Base value
 with a 7-bit prefix; see {{base}}.
 
 ~~~~~~~~~~  ascii-art
@@ -967,16 +967,16 @@
 {{relative-indexing}}.
 
 To save space, the Base is encoded relative to the Required Insert Count using a
-one-bit sign ('S') and the Delta Base value.  A sign bit of 0 indicates that the
-Base is greater than or equal to the value of the Required Insert Count; the
-decoder adds the value of Delta Base to the Required Insert Count to determine
-the value of the Base.  A sign bit of 1 indicates that the Base is less than the
-Required Insert Count; the decoder subtracts the value of Delta Base from the
-Required Insert Count and also subtracts one to determine the value of the Base.
-That is:
+one-bit Sign ('S' in {{fig-base-index}}) and the Delta Base value.  A Sign bit
+of 0 indicates that the Base is greater than or equal to the value of the
+Required Insert Count; the decoder adds the value of Delta Base to the Required
+Insert Count to determine the value of the Base.  A Sign bit of 1 indicates that
+the Base is less than the Required Insert Count; the decoder subtracts the value
+of Delta Base from the Required Insert Count and also subtracts one to determine
+the value of the Base. That is:
 
 ~~~ pseudocode
-   if S == 0:
+   if Sign == 0:
       Base = ReqInsertCount + DeltaBase
    else:
       Base = ReqInsertCount - DeltaBase - 1
@@ -985,27 +985,27 @@
 A single-pass encoder determines the Base before encoding a field section.  If
 the encoder inserted entries in the dynamic table while encoding the field
 section and is referencing them, Required Insert Count will be greater than the
-Base, so the encoded difference is negative and the sign bit is set to 1.  If
+Base, so the encoded difference is negative and the Sign bit is set to 1.  If
 the field section was not encoded using representations that reference the most
 recent entry in the table and did not insert any new entries, the Base will be
 greater than the Required Insert Count, so the encoded difference will be
-positive and the sign bit is set to 0.
+positive and the Sign bit is set to 0.
 
 The value of Base MUST NOT be negative. Though the protocol might operate
 correctly with a negative Base using post-Base indexing, it is unnecessary and
-inefficient. An endpoint MUST treat a field block with a sign bit of 1 as
+inefficient. An endpoint MUST treat a field block with a Sign bit of 1 as
 invalid if the value of Required Insert Count is less than or equal to the value
 of Delta Base.
 
 An encoder that produces table updates before encoding a field section might set
-Base to the value of Required Insert Count.  In such a case, both the sign bit
+Base to the value of Required Insert Count.  In such a case, both the Sign bit
 and the Delta Base will be set to zero.
 
 A field section that was encoded without references to the dynamic table can use
 any value for the Base; setting Delta Base to zero is one of the most efficient
 encodings.
 
-For example, with a Required Insert Count of 9, a decoder receives a sign bit
+For example, with a Required Insert Count of 9, a decoder receives a Sign bit
 of 1 and a Delta Base of 2.  This sets the Base to 6 and enables post-Base
 indexing for three entries.  In this example, a relative index of 1 refers to
 the fifth entry that was added to the table; a post-Base index of 1 refers to