diff --git a/01.module b/01.module
index 97ebee2..6332a3a 100644
--- a/01.module
+++ b/01.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch01
 TITLE: Capítulo 1: El Anuncio
 DESCRIPTION: Roberto receives news from his roommate and must find a new one.
@@ -384,7 +384,7 @@ PROMPT: Roberto busca un compañero de piso. (Ellos)
 RESPONSE: Ellos buscan un compañero de piso.
 
 $EXERCISE Lexical Drill A-2: Vocabulary Substitution
-INTRO: Replace the underlined word with the one indicated. Adjust the sentence if needed.
+INTRO: Replace the word in the sentence with the cue word given in parentheses. Adjust the sentence if needed.
 INSTRUCTION: Substitute the word and say the full sentence.
 
 EXAMPLE
diff --git a/02.module b/02.module
index 9650d03..b00579b 100644
--- a/02.module
+++ b/02.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch02
 TITLE: Capítulo 2: La Mudanza
 DESCRIPTION: Roberto helps Anna move into the apartment, they sign the contract, and share their first meal.
@@ -342,7 +342,7 @@ PROMPT: Anna es estudiante de Derecho. (Ellas)
 RESPONSE: Ellas son estudiantes de Derecho.
 
 $EXERCISE Lexical Drill A-2: Vocabulary Substitution
-INTRO: Replace the underlined word with the one indicated in parentheses. Adjust the sentence if needed.
+INTRO: Replace the word in the sentence with the cue word given in parentheses. Adjust the sentence if needed.
 INSTRUCTION: Substitute the word as indicated.
 
 EXAMPLE
diff --git a/04.module b/04.module
index c1422dc..8696e30 100644
--- a/04.module
+++ b/04.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch04
 TITLE: Capítulo 4: Primeros Malentendidos
 DESCRIPTION: Roberto and Anna face their first domestic conflict and learn to resolve it.
@@ -343,7 +343,7 @@ PROMPT: Anna estudia en la biblioteca. (ayer por la tarde)
 RESPONSE: Ayer por la tarde Anna estudió en la biblioteca.
 
 $EXERCISE Lexical Drill A-2: Direct Object Pronoun Substitution
-INTRO: Replace the underlined object with the correct pronoun (lo, la, los, las).
+INTRO: Replace the direct object noun in the sentence with the correct pronoun (lo, la, los, las).
 INSTRUCTION: Replace the noun with the correct pronoun.
 
 EXAMPLE
@@ -546,7 +546,7 @@ INTRO: Direct object pronouns replace the noun that receives the direct action o
 - "Olvidémos{lo}."
 
 $EXERCISE Learning Drill: Direct Object Pronouns
-INTRO: Replace the underlined word with lo, la, los, las.
+INTRO: Replace the direct object noun with the correct pronoun: lo, la, los, las.
 INSTRUCTION: Use the correct pronoun.
 
 PROMPT: Roberto limpió la cocina.
diff --git a/09.module b/09.module
index 74edb89..e4335e8 100644
--- a/09.module
+++ b/09.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch09
 TITLE: Capítulo 9: Adoptando a Luna
 DESCRIPTION: Anna and Roberto find an injured cat and take it to the vet.
@@ -515,8 +515,8 @@ PROMPT: ¿Se ha encariñado Roberto con Luna? (sí)
 RESPONSE: Sí, ya se ha encariñado con Luna.
 
 $EXERCISE Lexical Drill A-3: Indefinite Pronoun Substitution
-INTRO: Replace the underlined word with the correct indefinite: algo/nada, alguien/nadie, alguno/ninguno.
-INSTRUCTION: Replace the underlined phrase with an indefinite pronoun.
+INTRO: Replace the highlighted word with the correct indefinite: algo/nada, alguien/nadie, alguno/ninguno.
+INSTRUCTION: Replace the indicated phrase with an indefinite pronoun.
 
 EXAMPLE
 PROMPT: Hay una persona en el portal.
diff --git a/11.module b/11.module
index e694b29..2d4a819 100644
--- a/11.module
+++ b/11.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch11
 TITLE: Capítulo 11: De Compras en el Supermercado
 DESCRIPTION: Anna and Roberto go grocery shopping together, learn vocabulary for food and quantities, and practice grammar related to needs and pronouns.
@@ -706,7 +706,7 @@ INTRO: When an indirect object pronoun (IO) appears together with a direct objec
 - {Roberto se las lleva a Anna.}
 
 $EXERCISE Learning Drill: Combined Pronouns
-INTRO: Substitute the underlined words with combined pronouns.
+INTRO: Substitute the object nouns in each sentence with the correct combined pronouns.
 INSTRUCTION: Replace nouns with pronouns.
 
 EXAMPLE
diff --git a/21.module b/21.module
index e2301b8..1ae7065 100644
--- a/21.module
+++ b/21.module
@@ -1,4 +1,4 @@
-$MODULE
+$MODULE
 DIOCO_DOC_ID: lc_anna_roberto_ch21
 TITLE: Capítulo 21: Tapas en La Latina
 DESCRIPTION: Roberto and Carlos go for tapas in La Latina, and Carlos encourages Roberto to talk to Anna.
@@ -335,7 +335,7 @@ PROMPT: Roberto tenía miedo de ___________ si le decía algo a Anna.
 RESPONSE: Roberto tenía miedo de meter la pata si le decía algo a Anna.
 
 $EXERCISE Lexical Drill A-1: Vocabulary Substitution
-INTRO: In this drill, replace the underlined word in the prompt with the cue word given in parentheses. Adjust the sentence if needed.
+INTRO: In this drill, replace the indicated word in the prompt with the cue word given in parentheses. Adjust the sentence if needed.
 INSTRUCTION: Substitute the word and say the full sentence.
 
 EXAMPLE